Home / 32,385.20-48,565-15,740.30

Finding the Fourth Proportional to 32,385.20, 48,565 and 15,740.30

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Solution

The fourth proportional to 32,385.20, 48,565 and 15,740.30 is: 23,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,385.20 : 48,565 = 15,740.30 : x
  2. Step 2: Convert to fraction form
    32,385.20/48,565 = 15,740.30/x
  3. Step 3: Cross multiply
    32,385.20x = 48,565 × 15,740.30
  4. Step 4: Simplify right side
    32,385.20x = 764,427,669.50
  5. Step 5: Solve for x
    x = 764,427,669.50/32,385.20
  6. Step 6: Final answer
    x = 23,604.23

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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.