Home / 24,301.20-36,451.80-8,720.40

Finding the Fourth Proportional to 24,301.20, 36,451.80 and 8,720.40

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Solution

The fourth proportional to 24,301.20, 36,451.80 and 8,720.40 is: 13,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,301.20 : 36,451.80 = 8,720.40 : x
  2. Step 2: Convert to fraction form
    24,301.20/36,451.80 = 8,720.40/x
  3. Step 3: Cross multiply
    24,301.20x = 36,451.80 × 8,720.40
  4. Step 4: Simplify right side
    24,301.20x = 317,874,276.72
  5. Step 5: Solve for x
    x = 317,874,276.72/24,301.20
  6. Step 6: Final answer
    x = 13,080.60

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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.