Home / 27,981.02-41,976.09-8,261.57

Finding the Fourth Proportional to 27,981.02, 41,976.09 and 8,261.57

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Solution

The fourth proportional to 27,981.02, 41,976.09 and 8,261.57 is: 12,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.02 : 41,976.09 = 8,261.57 : x
  2. Step 2: Convert to fraction form
    27,981.02/41,976.09 = 8,261.57/x
  3. Step 3: Cross multiply
    27,981.02x = 41,976.09 × 8,261.57
  4. Step 4: Simplify right side
    27,981.02x = 346,788,510.80
  5. Step 5: Solve for x
    x = 346,788,510.80/27,981.02
  6. Step 6: Final answer
    x = 12,393.70

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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.