Home / 28,625.38-42,931.08-22,369.88

Finding the Fourth Proportional to 28,625.38, 42,931.08 and 22,369.88

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Solution

The fourth proportional to 28,625.38, 42,931.08 and 22,369.88 is: 33,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.38 : 42,931.08 = 22,369.88 : x
  2. Step 2: Convert to fraction form
    28,625.38/42,931.08 = 22,369.88/x
  3. Step 3: Cross multiply
    28,625.38x = 42,931.08 × 22,369.88
  4. Step 4: Simplify right side
    28,625.38x = 960,363,107.87
  5. Step 5: Solve for x
    x = 960,363,107.87/28,625.38
  6. Step 6: Final answer
    x = 33,549.36

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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.