Home / 28,517.04-39,355.01-17,190.13

Finding the Fourth Proportional to 28,517.04, 39,355.01 and 17,190.13

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Solution

The fourth proportional to 28,517.04, 39,355.01 and 17,190.13 is: 23,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517.04 : 39,355.01 = 17,190.13 : x
  2. Step 2: Convert to fraction form
    28,517.04/39,355.01 = 17,190.13/x
  3. Step 3: Cross multiply
    28,517.04x = 39,355.01 × 17,190.13
  4. Step 4: Simplify right side
    28,517.04x = 676,517,738.05
  5. Step 5: Solve for x
    x = 676,517,738.05/28,517.04
  6. Step 6: Final answer
    x = 23,723.28

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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.