Home / 28,500.65-42,763.27-15,350.39

Finding the Fourth Proportional to 28,500.65, 42,763.27 and 15,350.39

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Solution

The fourth proportional to 28,500.65, 42,763.27 and 15,350.39 is: 23,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.65 : 42,763.27 = 15,350.39 : x
  2. Step 2: Convert to fraction form
    28,500.65/42,763.27 = 15,350.39/x
  3. Step 3: Cross multiply
    28,500.65x = 42,763.27 × 15,350.39
  4. Step 4: Simplify right side
    28,500.65x = 656,432,872.18
  5. Step 5: Solve for x
    x = 656,432,872.18/28,500.65
  6. Step 6: Final answer
    x = 23,032.21

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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.