Home / 40,177.52-55,427.16-28,248.56

Finding the Fourth Proportional to 40,177.52, 55,427.16 and 28,248.56

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Solution

The fourth proportional to 40,177.52, 55,427.16 and 28,248.56 is: 38,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.52 : 55,427.16 = 28,248.56 : x
  2. Step 2: Convert to fraction form
    40,177.52/55,427.16 = 28,248.56/x
  3. Step 3: Cross multiply
    40,177.52x = 55,427.16 × 28,248.56
  4. Step 4: Simplify right side
    40,177.52x = 1,565,737,454.89
  5. Step 5: Solve for x
    x = 1,565,737,454.89/40,177.52
  6. Step 6: Final answer
    x = 38,970.49

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1.5x scale

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.