Home / 17,177.31-25,768.40-5,487.80

Finding the Fourth Proportional to 17,177.31, 25,768.40 and 5,487.80

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Solution

The fourth proportional to 17,177.31, 25,768.40 and 5,487.80 is: 8,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.31 : 25,768.40 = 5,487.80 : x
  2. Step 2: Convert to fraction form
    17,177.31/25,768.40 = 5,487.80/x
  3. Step 3: Cross multiply
    17,177.31x = 25,768.40 × 5,487.80
  4. Step 4: Simplify right side
    17,177.31x = 141,411,669.24
  5. Step 5: Solve for x
    x = 141,411,669.24/17,177.31
  6. Step 6: Final answer
    x = 8,232.47

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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.