Home / 25,829.20-38,695.20-13,306.60

Finding the Fourth Proportional to 25,829.20, 38,695.20 and 13,306.60

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Solution

The fourth proportional to 25,829.20, 38,695.20 and 13,306.60 is: 19,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.20 : 38,695.20 = 13,306.60 : x
  2. Step 2: Convert to fraction form
    25,829.20/38,695.20 = 13,306.60/x
  3. Step 3: Cross multiply
    25,829.20x = 38,695.20 × 13,306.60
  4. Step 4: Simplify right side
    25,829.20x = 514,901,548.32
  5. Step 5: Solve for x
    x = 514,901,548.32/25,829.20
  6. Step 6: Final answer
    x = 19,934.86

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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.