Home / 28,358.15-42,561.80-28,292.54

Finding the Fourth Proportional to 28,358.15, 42,561.80 and 28,292.54

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Solution

The fourth proportional to 28,358.15, 42,561.80 and 28,292.54 is: 42,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.15 : 42,561.80 = 28,292.54 : x
  2. Step 2: Convert to fraction form
    28,358.15/42,561.80 = 28,292.54/x
  3. Step 3: Cross multiply
    28,358.15x = 42,561.80 × 28,292.54
  4. Step 4: Simplify right side
    28,358.15x = 1,204,181,286.89
  5. Step 5: Solve for x
    x = 1,204,181,286.89/28,358.15
  6. Step 6: Final answer
    x = 42,463.33

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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.