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Finding the Fourth Proportional to 24,405.60, 36,559.80 and 14,005.20

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Solution

The fourth proportional to 24,405.60, 36,559.80 and 14,005.20 is: 20,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,405.60 : 36,559.80 = 14,005.20 : x
  2. Step 2: Convert to fraction form
    24,405.60/36,559.80 = 14,005.20/x
  3. Step 3: Cross multiply
    24,405.60x = 36,559.80 × 14,005.20
  4. Step 4: Simplify right side
    24,405.60x = 512,027,310.96
  5. Step 5: Solve for x
    x = 512,027,310.96/24,405.60
  6. Step 6: Final answer
    x = 20,979.91

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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.