Home / 38,275.68-57,382.54-11,966.88

Finding the Fourth Proportional to 38,275.68, 57,382.54 and 11,966.88

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Solution

The fourth proportional to 38,275.68, 57,382.54 and 11,966.88 is: 17,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.68 : 57,382.54 = 11,966.88 : x
  2. Step 2: Convert to fraction form
    38,275.68/57,382.54 = 11,966.88/x
  3. Step 3: Cross multiply
    38,275.68x = 57,382.54 × 11,966.88
  4. Step 4: Simplify right side
    38,275.68x = 686,689,970.28
  5. Step 5: Solve for x
    x = 686,689,970.28/38,275.68
  6. Step 6: Final answer
    x = 17,940.63

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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.