Home / 29,389.28-40,557.07-15,960.42

Finding the Fourth Proportional to 29,389.28, 40,557.07 and 15,960.42

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Solution

The fourth proportional to 29,389.28, 40,557.07 and 15,960.42 is: 22,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.28 : 40,557.07 = 15,960.42 : x
  2. Step 2: Convert to fraction form
    29,389.28/40,557.07 = 15,960.42/x
  3. Step 3: Cross multiply
    29,389.28x = 40,557.07 × 15,960.42
  4. Step 4: Simplify right side
    29,389.28x = 647,307,891.12
  5. Step 5: Solve for x
    x = 647,307,891.12/29,389.28
  6. Step 6: Final answer
    x = 22,025.31

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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.