Home / 25,641.54-38,438.55-13,134.03

Finding the Fourth Proportional to 25,641.54, 38,438.55 and 13,134.03

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Solution

The fourth proportional to 25,641.54, 38,438.55 and 13,134.03 is: 19,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.54 : 38,438.55 = 13,134.03 : x
  2. Step 2: Convert to fraction form
    25,641.54/38,438.55 = 13,134.03/x
  3. Step 3: Cross multiply
    25,641.54x = 38,438.55 × 13,134.03
  4. Step 4: Simplify right side
    25,641.54x = 504,853,068.86
  5. Step 5: Solve for x
    x = 504,853,068.86/25,641.54
  6. Step 6: Final answer
    x = 19,688.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.