Home / 28,120.68-42,160.01-17,024.70

Finding the Fourth Proportional to 28,120.68, 42,160.01 and 17,024.70

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Solution

The fourth proportional to 28,120.68, 42,160.01 and 17,024.70 is: 25,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,120.68 : 42,160.01 = 17,024.70 : x
  2. Step 2: Convert to fraction form
    28,120.68/42,160.01 = 17,024.70/x
  3. Step 3: Cross multiply
    28,120.68x = 42,160.01 × 17,024.70
  4. Step 4: Simplify right side
    28,120.68x = 717,761,226.32
  5. Step 5: Solve for x
    x = 717,761,226.32/28,120.68
  6. Step 6: Final answer
    x = 25,524.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.