Home / 28,154.68-38,843.58-17,535.52

Finding the Fourth Proportional to 28,154.68, 38,843.58 and 17,535.52

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Solution

The fourth proportional to 28,154.68, 38,843.58 and 17,535.52 is: 24,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.68 : 38,843.58 = 17,535.52 : x
  2. Step 2: Convert to fraction form
    28,154.68/38,843.58 = 17,535.52/x
  3. Step 3: Cross multiply
    28,154.68x = 38,843.58 × 17,535.52
  4. Step 4: Simplify right side
    28,154.68x = 681,142,373.96
  5. Step 5: Solve for x
    x = 681,142,373.96/28,154.68
  6. Step 6: Final answer
    x = 24,192.87

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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.