Home / 29,327.10-40,471.61-15,898.57

Finding the Fourth Proportional to 29,327.10, 40,471.61 and 15,898.57

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Solution

The fourth proportional to 29,327.10, 40,471.61 and 15,898.57 is: 21,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,327.10 : 40,471.61 = 15,898.57 : x
  2. Step 2: Convert to fraction form
    29,327.10/40,471.61 = 15,898.57/x
  3. Step 3: Cross multiply
    29,327.10x = 40,471.61 × 15,898.57
  4. Step 4: Simplify right side
    29,327.10x = 643,440,769.54
  5. Step 5: Solve for x
    x = 643,440,769.54/29,327.10
  6. Step 6: Final answer
    x = 21,940.14

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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.