Home / 27,575.18-38,054.68-15,000.38

Finding the Fourth Proportional to 27,575.18, 38,054.68 and 15,000.38

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Solution

The fourth proportional to 27,575.18, 38,054.68 and 15,000.38 is: 20,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.18 : 38,054.68 = 15,000.38 : x
  2. Step 2: Convert to fraction form
    27,575.18/38,054.68 = 15,000.38/x
  3. Step 3: Cross multiply
    27,575.18x = 38,054.68 × 15,000.38
  4. Step 4: Simplify right side
    27,575.18x = 570,834,660.78
  5. Step 5: Solve for x
    x = 570,834,660.78/27,575.18
  6. Step 6: Final answer
    x = 20,701.03

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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.