Home / 27,620.44-38,116.20-15,045.19

Finding the Fourth Proportional to 27,620.44, 38,116.20 and 15,045.19

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Solution

The fourth proportional to 27,620.44, 38,116.20 and 15,045.19 is: 20,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.44 : 38,116.20 = 15,045.19 : x
  2. Step 2: Convert to fraction form
    27,620.44/38,116.20 = 15,045.19/x
  3. Step 3: Cross multiply
    27,620.44x = 38,116.20 × 15,045.19
  4. Step 4: Simplify right side
    27,620.44x = 573,465,432.21
  5. Step 5: Solve for x
    x = 573,465,432.21/27,620.44
  6. Step 6: Final answer
    x = 20,762.36

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Half scale
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Double scale
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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.