Home / 22,955.20-34,432.80-21,265.60

Finding the Fourth Proportional to 22,955.20, 34,432.80 and 21,265.60

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Solution

The fourth proportional to 22,955.20, 34,432.80 and 21,265.60 is: 31,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,955.20 : 34,432.80 = 21,265.60 : x
  2. Step 2: Convert to fraction form
    22,955.20/34,432.80 = 21,265.60/x
  3. Step 3: Cross multiply
    22,955.20x = 34,432.80 × 21,265.60
  4. Step 4: Simplify right side
    22,955.20x = 732,234,151.68
  5. Step 5: Solve for x
    x = 732,234,151.68/22,955.20
  6. Step 6: Final answer
    x = 31,898.40

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1.5x scale

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.