Home / 25,640.70-38,456.16-10,860.00

Finding the Fourth Proportional to 25,640.70, 38,456.16 and 10,860.00

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Solution

The fourth proportional to 25,640.70, 38,456.16 and 10,860.00 is: 16,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.70 : 38,456.16 = 10,860.00 : x
  2. Step 2: Convert to fraction form
    25,640.70/38,456.16 = 10,860.00/x
  3. Step 3: Cross multiply
    25,640.70x = 38,456.16 × 10,860.00
  4. Step 4: Simplify right side
    25,640.70x = 417,633,705.32
  5. Step 5: Solve for x
    x = 417,633,705.32/25,640.70
  6. Step 6: Final answer
    x = 16,287.92

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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.