Home / 28,132.52-38,822.58-15,557.24

Finding the Fourth Proportional to 28,132.52, 38,822.58 and 15,557.24

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Solution

The fourth proportional to 28,132.52, 38,822.58 and 15,557.24 is: 21,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.52 : 38,822.58 = 15,557.24 : x
  2. Step 2: Convert to fraction form
    28,132.52/38,822.58 = 15,557.24/x
  3. Step 3: Cross multiply
    28,132.52x = 38,822.58 × 15,557.24
  4. Step 4: Simplify right side
    28,132.52x = 603,972,194.48
  5. Step 5: Solve for x
    x = 603,972,194.48/28,132.52
  6. Step 6: Final answer
    x = 21,468.83

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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.