Home / 28,251.42-42,374.34-17,155.14

Finding the Fourth Proportional to 28,251.42, 42,374.34 and 17,155.14

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Solution

The fourth proportional to 28,251.42, 42,374.34 and 17,155.14 is: 25,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.42 : 42,374.34 = 17,155.14 : x
  2. Step 2: Convert to fraction form
    28,251.42/42,374.34 = 17,155.14/x
  3. Step 3: Cross multiply
    28,251.42x = 42,374.34 × 17,155.14
  4. Step 4: Simplify right side
    28,251.42x = 726,937,735.11
  5. Step 5: Solve for x
    x = 726,937,735.11/28,251.42
  6. Step 6: Final answer
    x = 25,731.02

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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.