Home / 27,901.97-38,505.02-15,326.72

Finding the Fourth Proportional to 27,901.97, 38,505.02 and 15,326.72

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Solution

The fourth proportional to 27,901.97, 38,505.02 and 15,326.72 is: 21,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.97 : 38,505.02 = 15,326.72 : x
  2. Step 2: Convert to fraction form
    27,901.97/38,505.02 = 15,326.72/x
  3. Step 3: Cross multiply
    27,901.97x = 38,505.02 × 15,326.72
  4. Step 4: Simplify right side
    27,901.97x = 590,155,621.58
  5. Step 5: Solve for x
    x = 590,155,621.58/27,901.97
  6. Step 6: Final answer
    x = 21,151.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.