Home / 28,062.89-38,732.15-17,311.35

Finding the Fourth Proportional to 28,062.89, 38,732.15 and 17,311.35

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Solution

The fourth proportional to 28,062.89, 38,732.15 and 17,311.35 is: 23,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.89 : 38,732.15 = 17,311.35 : x
  2. Step 2: Convert to fraction form
    28,062.89/38,732.15 = 17,311.35/x
  3. Step 3: Cross multiply
    28,062.89x = 38,732.15 × 17,311.35
  4. Step 4: Simplify right side
    28,062.89x = 670,505,718.35
  5. Step 5: Solve for x
    x = 670,505,718.35/28,062.89
  6. Step 6: Final answer
    x = 23,892.97

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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.