Home / 27,841.16-38,421.30-15,265.76

Finding the Fourth Proportional to 27,841.16, 38,421.30 and 15,265.76

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Solution

The fourth proportional to 27,841.16, 38,421.30 and 15,265.76 is: 21,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.16 : 38,421.30 = 15,265.76 : x
  2. Step 2: Convert to fraction form
    27,841.16/38,421.30 = 15,265.76/x
  3. Step 3: Cross multiply
    27,841.16x = 38,421.30 × 15,265.76
  4. Step 4: Simplify right side
    27,841.16x = 586,530,344.69
  5. Step 5: Solve for x
    x = 586,530,344.69/27,841.16
  6. Step 6: Final answer
    x = 21,067.02

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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.