Home / 25,630.08-38,445.12-13,948.80

Finding the Fourth Proportional to 25,630.08, 38,445.12 and 13,948.80

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Solution

The fourth proportional to 25,630.08, 38,445.12 and 13,948.80 is: 20,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.08 : 38,445.12 = 13,948.80 : x
  2. Step 2: Convert to fraction form
    25,630.08/38,445.12 = 13,948.80/x
  3. Step 3: Cross multiply
    25,630.08x = 38,445.12 × 13,948.80
  4. Step 4: Simplify right side
    25,630.08x = 536,263,289.86
  5. Step 5: Solve for x
    x = 536,263,289.86/25,630.08
  6. Step 6: Final answer
    x = 20,923.20

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Similar ratio
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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.