Home / 28,839.29-43,263.54-9,122.45

Finding the Fourth Proportional to 28,839.29, 43,263.54 and 9,122.45

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Solution

The fourth proportional to 28,839.29, 43,263.54 and 9,122.45 is: 13,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.29 : 43,263.54 = 9,122.45 : x
  2. Step 2: Convert to fraction form
    28,839.29/43,263.54 = 9,122.45/x
  3. Step 3: Cross multiply
    28,839.29x = 43,263.54 × 9,122.45
  4. Step 4: Simplify right side
    28,839.29x = 394,669,264.16
  5. Step 5: Solve for x
    x = 394,669,264.16/28,839.29
  6. Step 6: Final answer
    x = 13,685.13

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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.