Home / 67,878.43-101,857.33-28,432.24

Finding the Fourth Proportional to 67,878.43, 101,857.33 and 28,432.24

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Solution

The fourth proportional to 67,878.43, 101,857.33 and 28,432.24 is: 42,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,878.43 : 101,857.33 = 28,432.24 : x
  2. Step 2: Convert to fraction form
    67,878.43/101,857.33 = 28,432.24/x
  3. Step 3: Cross multiply
    67,878.43x = 101,857.33 × 28,432.24
  4. Step 4: Simplify right side
    67,878.43x = 2,896,032,052.32
  5. Step 5: Solve for x
    x = 2,896,032,052.32/67,878.43
  6. Step 6: Final answer
    x = 42,664.98

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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.