Home / 27,407.20-41,110.80-9,870.70

Finding the Fourth Proportional to 27,407.20, 41,110.80 and 9,870.70

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Solution

The fourth proportional to 27,407.20, 41,110.80 and 9,870.70 is: 14,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.20 : 41,110.80 = 9,870.70 : x
  2. Step 2: Convert to fraction form
    27,407.20/41,110.80 = 9,870.70/x
  3. Step 3: Cross multiply
    27,407.20x = 41,110.80 × 9,870.70
  4. Step 4: Simplify right side
    27,407.20x = 405,792,373.56
  5. Step 5: Solve for x
    x = 405,792,373.56/27,407.20
  6. Step 6: Final answer
    x = 14,806.05

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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.