Home / 27,577.97-38,057.90-15,002.72

Finding the Fourth Proportional to 27,577.97, 38,057.90 and 15,002.72

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Solution

The fourth proportional to 27,577.97, 38,057.90 and 15,002.72 is: 20,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,577.97 : 38,057.90 = 15,002.72 : x
  2. Step 2: Convert to fraction form
    27,577.97/38,057.90 = 15,002.72/x
  3. Step 3: Cross multiply
    27,577.97x = 38,057.90 × 15,002.72
  4. Step 4: Simplify right side
    27,577.97x = 570,971,979.29
  5. Step 5: Solve for x
    x = 570,971,979.29/27,577.97
  6. Step 6: Final answer
    x = 20,703.92

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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.