Home / 19,008.60-28,480.17-13,452.80

Finding the Fourth Proportional to 19,008.60, 28,480.17 and 13,452.80

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Solution

The fourth proportional to 19,008.60, 28,480.17 and 13,452.80 is: 20,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.60 : 28,480.17 = 13,452.80 : x
  2. Step 2: Convert to fraction form
    19,008.60/28,480.17 = 13,452.80/x
  3. Step 3: Cross multiply
    19,008.60x = 28,480.17 × 13,452.80
  4. Step 4: Simplify right side
    19,008.60x = 383,138,030.98
  5. Step 5: Solve for x
    x = 383,138,030.98/19,008.60
  6. Step 6: Final answer
    x = 20,156.04

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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.