Home / 25,623-38,440.17-7,856.13

Finding the Fourth Proportional to 25,623, 38,440.17 and 7,856.13

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Solution

The fourth proportional to 25,623, 38,440.17 and 7,856.13 is: 11,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623 : 38,440.17 = 7,856.13 : x
  2. Step 2: Convert to fraction form
    25,623/38,440.17 = 7,856.13/x
  3. Step 3: Cross multiply
    25,623x = 38,440.17 × 7,856.13
  4. Step 4: Simplify right side
    25,623x = 301,990,972.74
  5. Step 5: Solve for x
    x = 301,990,972.74/25,623
  6. Step 6: Final answer
    x = 11,785.93

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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.