Home / 27,849.25-38,432.06-15,102.64

Finding the Fourth Proportional to 27,849.25, 38,432.06 and 15,102.64

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Solution

The fourth proportional to 27,849.25, 38,432.06 and 15,102.64 is: 20,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.25 : 38,432.06 = 15,102.64 : x
  2. Step 2: Convert to fraction form
    27,849.25/38,432.06 = 15,102.64/x
  3. Step 3: Cross multiply
    27,849.25x = 38,432.06 × 15,102.64
  4. Step 4: Simplify right side
    27,849.25x = 580,425,566.64
  5. Step 5: Solve for x
    x = 580,425,566.64/27,849.25
  6. Step 6: Final answer
    x = 20,841.69

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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.