Home / 28,417.54-42,575.41-17,318.38

Finding the Fourth Proportional to 28,417.54, 42,575.41 and 17,318.38

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Solution

The fourth proportional to 28,417.54, 42,575.41 and 17,318.38 is: 25,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.54 : 42,575.41 = 17,318.38 : x
  2. Step 2: Convert to fraction form
    28,417.54/42,575.41 = 17,318.38/x
  3. Step 3: Cross multiply
    28,417.54x = 42,575.41 × 17,318.38
  4. Step 4: Simplify right side
    28,417.54x = 737,337,129.04
  5. Step 5: Solve for x
    x = 737,337,129.04/28,417.54
  6. Step 6: Final answer
    x = 25,946.55

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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.