Home / 28,292.49-39,027.02-17,687.36

Finding the Fourth Proportional to 28,292.49, 39,027.02 and 17,687.36

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Solution

The fourth proportional to 28,292.49, 39,027.02 and 17,687.36 is: 24,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.49 : 39,027.02 = 17,687.36 : x
  2. Step 2: Convert to fraction form
    28,292.49/39,027.02 = 17,687.36/x
  3. Step 3: Cross multiply
    28,292.49x = 39,027.02 × 17,687.36
  4. Step 4: Simplify right side
    28,292.49x = 690,284,961.60
  5. Step 5: Solve for x
    x = 690,284,961.60/28,292.49
  6. Step 6: Final answer
    x = 24,398.17

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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.