Home / 28,052.52-38,710.86-16,115.82

Finding the Fourth Proportional to 28,052.52, 38,710.86 and 16,115.82

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Solution

The fourth proportional to 28,052.52, 38,710.86 and 16,115.82 is: 22,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.52 : 38,710.86 = 16,115.82 : x
  2. Step 2: Convert to fraction form
    28,052.52/38,710.86 = 16,115.82/x
  3. Step 3: Cross multiply
    28,052.52x = 38,710.86 × 16,115.82
  4. Step 4: Simplify right side
    28,052.52x = 623,857,251.81
  5. Step 5: Solve for x
    x = 623,857,251.81/28,052.52
  6. Step 6: Final answer
    x = 22,238.90

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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.