Home / 29,321.70-40,463.48-15,892.85

Finding the Fourth Proportional to 29,321.70, 40,463.48 and 15,892.85

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Solution

The fourth proportional to 29,321.70, 40,463.48 and 15,892.85 is: 21,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.70 : 40,463.48 = 15,892.85 : x
  2. Step 2: Convert to fraction form
    29,321.70/40,463.48 = 15,892.85/x
  3. Step 3: Cross multiply
    29,321.70x = 40,463.48 × 15,892.85
  4. Step 4: Simplify right side
    29,321.70x = 643,080,018.12
  5. Step 5: Solve for x
    x = 643,080,018.12/29,321.70
  6. Step 6: Final answer
    x = 21,931.88

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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.