Home / 25,052.78-34,572.86-13,567.71

Finding the Fourth Proportional to 25,052.78, 34,572.86 and 13,567.71

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Solution

The fourth proportional to 25,052.78, 34,572.86 and 13,567.71 is: 18,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,052.78 : 34,572.86 = 13,567.71 : x
  2. Step 2: Convert to fraction form
    25,052.78/34,572.86 = 13,567.71/x
  3. Step 3: Cross multiply
    25,052.78x = 34,572.86 × 13,567.71
  4. Step 4: Simplify right side
    25,052.78x = 469,074,538.35
  5. Step 5: Solve for x
    x = 469,074,538.35/25,052.78
  6. Step 6: Final answer
    x = 18,723.45

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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.