Home / 27,143.07-40,708.05-11,339.56

Finding the Fourth Proportional to 27,143.07, 40,708.05 and 11,339.56

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Solution

The fourth proportional to 27,143.07, 40,708.05 and 11,339.56 is: 17,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.07 : 40,708.05 = 11,339.56 : x
  2. Step 2: Convert to fraction form
    27,143.07/40,708.05 = 11,339.56/x
  3. Step 3: Cross multiply
    27,143.07x = 40,708.05 × 11,339.56
  4. Step 4: Simplify right side
    27,143.07x = 461,611,375.46
  5. Step 5: Solve for x
    x = 461,611,375.46/27,143.07
  6. Step 6: Final answer
    x = 17,006.60

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1.5x scale

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.