Home / 28,601.59-39,468.84-15,853.96

Finding the Fourth Proportional to 28,601.59, 39,468.84 and 15,853.96

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Solution

The fourth proportional to 28,601.59, 39,468.84 and 15,853.96 is: 21,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601.59 : 39,468.84 = 15,853.96 : x
  2. Step 2: Convert to fraction form
    28,601.59/39,468.84 = 15,853.96/x
  3. Step 3: Cross multiply
    28,601.59x = 39,468.84 × 15,853.96
  4. Step 4: Simplify right side
    28,601.59x = 625,737,410.61
  5. Step 5: Solve for x
    x = 625,737,410.61/28,601.59
  6. Step 6: Final answer
    x = 21,877.71

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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.