Home / 29,321.37-40,463.26-15,892.28

Finding the Fourth Proportional to 29,321.37, 40,463.26 and 15,892.28

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Solution

The fourth proportional to 29,321.37, 40,463.26 and 15,892.28 is: 21,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.37 : 40,463.26 = 15,892.28 : x
  2. Step 2: Convert to fraction form
    29,321.37/40,463.26 = 15,892.28/x
  3. Step 3: Cross multiply
    29,321.37x = 40,463.26 × 15,892.28
  4. Step 4: Simplify right side
    29,321.37x = 643,053,275.87
  5. Step 5: Solve for x
    x = 643,053,275.87/29,321.37
  6. Step 6: Final answer
    x = 21,931.22

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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.