Home / 23,288-32,139.87-13,219.16

Finding the Fourth Proportional to 23,288, 32,139.87 and 13,219.16

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Solution

The fourth proportional to 23,288, 32,139.87 and 13,219.16 is: 18,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288 : 32,139.87 = 13,219.16 : x
  2. Step 2: Convert to fraction form
    23,288/32,139.87 = 13,219.16/x
  3. Step 3: Cross multiply
    23,288x = 32,139.87 × 13,219.16
  4. Step 4: Simplify right side
    23,288x = 424,862,083.91
  5. Step 5: Solve for x
    x = 424,862,083.91/23,288
  6. Step 6: Final answer
    x = 18,243.82

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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.