Home / 27,930.16-38,553.12-17,862.64

Finding the Fourth Proportional to 27,930.16, 38,553.12 and 17,862.64

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Solution

The fourth proportional to 27,930.16, 38,553.12 and 17,862.64 is: 24,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.16 : 38,553.12 = 17,862.64 : x
  2. Step 2: Convert to fraction form
    27,930.16/38,553.12 = 17,862.64/x
  3. Step 3: Cross multiply
    27,930.16x = 38,553.12 × 17,862.64
  4. Step 4: Simplify right side
    27,930.16x = 688,660,503.44
  5. Step 5: Solve for x
    x = 688,660,503.44/27,930.16
  6. Step 6: Final answer
    x = 24,656.52

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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.