Home / 25,960.80-38,895.12-17,712.48

Finding the Fourth Proportional to 25,960.80, 38,895.12 and 17,712.48

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Solution

The fourth proportional to 25,960.80, 38,895.12 and 17,712.48 is: 26,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960.80 : 38,895.12 = 17,712.48 : x
  2. Step 2: Convert to fraction form
    25,960.80/38,895.12 = 17,712.48/x
  3. Step 3: Cross multiply
    25,960.80x = 38,895.12 × 17,712.48
  4. Step 4: Simplify right side
    25,960.80x = 688,929,035.10
  5. Step 5: Solve for x
    x = 688,929,035.10/25,960.80
  6. Step 6: Final answer
    x = 26,537.28

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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.