Home / 28,158.64-42,193.49-22,867.90

Finding the Fourth Proportional to 28,158.64, 42,193.49 and 22,867.90

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Solution

The fourth proportional to 28,158.64, 42,193.49 and 22,867.90 is: 34,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.64 : 42,193.49 = 22,867.90 : x
  2. Step 2: Convert to fraction form
    28,158.64/42,193.49 = 22,867.90/x
  3. Step 3: Cross multiply
    28,158.64x = 42,193.49 × 22,867.90
  4. Step 4: Simplify right side
    28,158.64x = 964,876,656.12
  5. Step 5: Solve for x
    x = 964,876,656.12/28,158.64
  6. Step 6: Final answer
    x = 34,265.74

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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.