Home / 29,515-40,731.15-16,086.22

Finding the Fourth Proportional to 29,515, 40,731.15 and 16,086.22

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Solution

The fourth proportional to 29,515, 40,731.15 and 16,086.22 is: 22,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515 : 40,731.15 = 16,086.22 : x
  2. Step 2: Convert to fraction form
    29,515/40,731.15 = 16,086.22/x
  3. Step 3: Cross multiply
    29,515x = 40,731.15 × 16,086.22
  4. Step 4: Simplify right side
    29,515x = 655,210,239.75
  5. Step 5: Solve for x
    x = 655,210,239.75/29,515
  6. Step 6: Final answer
    x = 22,199.23

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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.