Home / 27,663.30-38,175.30-15,088.05

Finding the Fourth Proportional to 27,663.30, 38,175.30 and 15,088.05

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Solution

The fourth proportional to 27,663.30, 38,175.30 and 15,088.05 is: 20,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.30 : 38,175.30 = 15,088.05 : x
  2. Step 2: Convert to fraction form
    27,663.30/38,175.30 = 15,088.05/x
  3. Step 3: Cross multiply
    27,663.30x = 38,175.30 × 15,088.05
  4. Step 4: Simplify right side
    27,663.30x = 575,990,835.17
  5. Step 5: Solve for x
    x = 575,990,835.17/27,663.30
  6. Step 6: Final answer
    x = 20,821.48

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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.