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Finding the Fourth Proportional to 24,770.66, 37,155.55 and 9,979.20

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Solution

The fourth proportional to 24,770.66, 37,155.55 and 9,979.20 is: 14,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,770.66 : 37,155.55 = 9,979.20 : x
  2. Step 2: Convert to fraction form
    24,770.66/37,155.55 = 9,979.20/x
  3. Step 3: Cross multiply
    24,770.66x = 37,155.55 × 9,979.20
  4. Step 4: Simplify right side
    24,770.66x = 370,782,664.56
  5. Step 5: Solve for x
    x = 370,782,664.56/24,770.66
  6. Step 6: Final answer
    x = 14,968.62

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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.