Home / 28,215.44-38,938.92-17,041.04

Finding the Fourth Proportional to 28,215.44, 38,938.92 and 17,041.04

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Solution

The fourth proportional to 28,215.44, 38,938.92 and 17,041.04 is: 23,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.44 : 38,938.92 = 17,041.04 : x
  2. Step 2: Convert to fraction form
    28,215.44/38,938.92 = 17,041.04/x
  3. Step 3: Cross multiply
    28,215.44x = 38,938.92 × 17,041.04
  4. Step 4: Simplify right side
    28,215.44x = 663,559,693.28
  5. Step 5: Solve for x
    x = 663,559,693.28/28,215.44
  6. Step 6: Final answer
    x = 23,517.61

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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.