Home / 28,641.15-42,993.16-22,755.87

Finding the Fourth Proportional to 28,641.15, 42,993.16 and 22,755.87

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Solution

The fourth proportional to 28,641.15, 42,993.16 and 22,755.87 is: 34,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.15 : 42,993.16 = 22,755.87 : x
  2. Step 2: Convert to fraction form
    28,641.15/42,993.16 = 22,755.87/x
  3. Step 3: Cross multiply
    28,641.15x = 42,993.16 × 22,755.87
  4. Step 4: Simplify right side
    28,641.15x = 978,346,702.96
  5. Step 5: Solve for x
    x = 978,346,702.96/28,641.15
  6. Step 6: Final answer
    x = 34,158.78

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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.