Home / 19,331.96-29,129.61-15,898.85

Finding the Fourth Proportional to 19,331.96, 29,129.61 and 15,898.85

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Solution

The fourth proportional to 19,331.96, 29,129.61 and 15,898.85 is: 23,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.96 : 29,129.61 = 15,898.85 : x
  2. Step 2: Convert to fraction form
    19,331.96/29,129.61 = 15,898.85/x
  3. Step 3: Cross multiply
    19,331.96x = 29,129.61 × 15,898.85
  4. Step 4: Simplify right side
    19,331.96x = 463,127,154.30
  5. Step 5: Solve for x
    x = 463,127,154.30/19,331.96
  6. Step 6: Final answer
    x = 23,956.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.