Home / 24,985.20-34,479.60-13,654.80

Finding the Fourth Proportional to 24,985.20, 34,479.60 and 13,654.80

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Solution

The fourth proportional to 24,985.20, 34,479.60 and 13,654.80 is: 18,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,985.20 : 34,479.60 = 13,654.80 : x
  2. Step 2: Convert to fraction form
    24,985.20/34,479.60 = 13,654.80/x
  3. Step 3: Cross multiply
    24,985.20x = 34,479.60 × 13,654.80
  4. Step 4: Simplify right side
    24,985.20x = 470,812,042.08
  5. Step 5: Solve for x
    x = 470,812,042.08/24,985.20
  6. Step 6: Final answer
    x = 18,843.64

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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.