Home / 27,663.10-38,175.03-15,087.85

Finding the Fourth Proportional to 27,663.10, 38,175.03 and 15,087.85

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Solution

The fourth proportional to 27,663.10, 38,175.03 and 15,087.85 is: 20,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.10 : 38,175.03 = 15,087.85 : x
  2. Step 2: Convert to fraction form
    27,663.10/38,175.03 = 15,087.85/x
  3. Step 3: Cross multiply
    27,663.10x = 38,175.03 × 15,087.85
  4. Step 4: Simplify right side
    27,663.10x = 575,979,030.95
  5. Step 5: Solve for x
    x = 575,979,030.95/27,663.10
  6. Step 6: Final answer
    x = 20,821.21

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Half scale
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Double scale
Find fourth proportional to 27,664.10, 38,176.41 and 15,088.85
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.