Home / 22,379.52-30,885.36-14,812.80

Finding the Fourth Proportional to 22,379.52, 30,885.36 and 14,812.80

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Solution

The fourth proportional to 22,379.52, 30,885.36 and 14,812.80 is: 20,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.52 : 30,885.36 = 14,812.80 : x
  2. Step 2: Convert to fraction form
    22,379.52/30,885.36 = 14,812.80/x
  3. Step 3: Cross multiply
    22,379.52x = 30,885.36 × 14,812.80
  4. Step 4: Simplify right side
    22,379.52x = 457,498,660.61
  5. Step 5: Solve for x
    x = 457,498,660.61/22,379.52
  6. Step 6: Final answer
    x = 20,442.74

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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.