Home / 28,192.52-38,909.76-16,253.48

Finding the Fourth Proportional to 28,192.52, 38,909.76 and 16,253.48

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Solution

The fourth proportional to 28,192.52, 38,909.76 and 16,253.48 is: 22,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.52 : 38,909.76 = 16,253.48 : x
  2. Step 2: Convert to fraction form
    28,192.52/38,909.76 = 16,253.48/x
  3. Step 3: Cross multiply
    28,192.52x = 38,909.76 × 16,253.48
  4. Step 4: Simplify right side
    28,192.52x = 632,419,005.96
  5. Step 5: Solve for x
    x = 632,419,005.96/28,192.52
  6. Step 6: Final answer
    x = 22,432.16

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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.