Home / 28,178.91-42,265.92-17,082.33

Finding the Fourth Proportional to 28,178.91, 42,265.92 and 17,082.33

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Solution

The fourth proportional to 28,178.91, 42,265.92 and 17,082.33 is: 25,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,178.91 : 42,265.92 = 17,082.33 : x
  2. Step 2: Convert to fraction form
    28,178.91/42,265.92 = 17,082.33/x
  3. Step 3: Cross multiply
    28,178.91x = 42,265.92 × 17,082.33
  4. Step 4: Simplify right side
    28,178.91x = 722,000,393.19
  5. Step 5: Solve for x
    x = 722,000,393.19/28,178.91
  6. Step 6: Final answer
    x = 25,622.01

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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.