Home / 29,016.08-39,781.42-28,491.20

Finding the Fourth Proportional to 29,016.08, 39,781.42 and 28,491.20

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Solution

The fourth proportional to 29,016.08, 39,781.42 and 28,491.20 is: 39,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,016.08 : 39,781.42 = 28,491.20 : x
  2. Step 2: Convert to fraction form
    29,016.08/39,781.42 = 28,491.20/x
  3. Step 3: Cross multiply
    29,016.08x = 39,781.42 × 28,491.20
  4. Step 4: Simplify right side
    29,016.08x = 1,133,420,272.55
  5. Step 5: Solve for x
    x = 1,133,420,272.55/29,016.08
  6. Step 6: Final answer
    x = 39,061.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.