Home / 42,977.28-59,293.44-28,081.92

Finding the Fourth Proportional to 42,977.28, 59,293.44 and 28,081.92

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Solution

The fourth proportional to 42,977.28, 59,293.44 and 28,081.92 is: 38,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.28 : 59,293.44 = 28,081.92 : x
  2. Step 2: Convert to fraction form
    42,977.28/59,293.44 = 28,081.92/x
  3. Step 3: Cross multiply
    42,977.28x = 59,293.44 × 28,081.92
  4. Step 4: Simplify right side
    42,977.28x = 1,665,073,638.60
  5. Step 5: Solve for x
    x = 1,665,073,638.60/42,977.28
  6. Step 6: Final answer
    x = 38,743.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.