Home / 27,881.40-41,822.10-7,104.90

Finding the Fourth Proportional to 27,881.40, 41,822.10 and 7,104.90

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Solution

The fourth proportional to 27,881.40, 41,822.10 and 7,104.90 is: 10,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.40 : 41,822.10 = 7,104.90 : x
  2. Step 2: Convert to fraction form
    27,881.40/41,822.10 = 7,104.90/x
  3. Step 3: Cross multiply
    27,881.40x = 41,822.10 × 7,104.90
  4. Step 4: Simplify right side
    27,881.40x = 297,141,838.29
  5. Step 5: Solve for x
    x = 297,141,838.29/27,881.40
  6. Step 6: Final answer
    x = 10,657.35

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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.