Home / 22,987.43-34,468.39-8,938.79

Finding the Fourth Proportional to 22,987.43, 34,468.39 and 8,938.79

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Solution

The fourth proportional to 22,987.43, 34,468.39 and 8,938.79 is: 13,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.43 : 34,468.39 = 8,938.79 : x
  2. Step 2: Convert to fraction form
    22,987.43/34,468.39 = 8,938.79/x
  3. Step 3: Cross multiply
    22,987.43x = 34,468.39 × 8,938.79
  4. Step 4: Simplify right side
    22,987.43x = 308,105,655.15
  5. Step 5: Solve for x
    x = 308,105,655.15/22,987.43
  6. Step 6: Final answer
    x = 13,403.22

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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.