Home / 27,595.10-38,080.14-15,019.86

Finding the Fourth Proportional to 27,595.10, 38,080.14 and 15,019.86

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Solution

The fourth proportional to 27,595.10, 38,080.14 and 15,019.86 is: 20,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595.10 : 38,080.14 = 15,019.86 : x
  2. Step 2: Convert to fraction form
    27,595.10/38,080.14 = 15,019.86/x
  3. Step 3: Cross multiply
    27,595.10x = 38,080.14 × 15,019.86
  4. Step 4: Simplify right side
    27,595.10x = 571,958,371.58
  5. Step 5: Solve for x
    x = 571,958,371.58/27,595.10
  6. Step 6: Final answer
    x = 20,726.81

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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.