Home / 27,901.76-38,534.64-17,316.64

Finding the Fourth Proportional to 27,901.76, 38,534.64 and 17,316.64

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Solution

The fourth proportional to 27,901.76, 38,534.64 and 17,316.64 is: 23,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.76 : 38,534.64 = 17,316.64 : x
  2. Step 2: Convert to fraction form
    27,901.76/38,534.64 = 17,316.64/x
  3. Step 3: Cross multiply
    27,901.76x = 38,534.64 × 17,316.64
  4. Step 4: Simplify right side
    27,901.76x = 667,290,488.41
  5. Step 5: Solve for x
    x = 667,290,488.41/27,901.76
  6. Step 6: Final answer
    x = 23,915.71

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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.