Home / 27,575.44-38,053.80-15,000.20

Finding the Fourth Proportional to 27,575.44, 38,053.80 and 15,000.20

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Solution

The fourth proportional to 27,575.44, 38,053.80 and 15,000.20 is: 20,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.44 : 38,053.80 = 15,000.20 : x
  2. Step 2: Convert to fraction form
    27,575.44/38,053.80 = 15,000.20/x
  3. Step 3: Cross multiply
    27,575.44x = 38,053.80 × 15,000.20
  4. Step 4: Simplify right side
    27,575.44x = 570,814,610.76
  5. Step 5: Solve for x
    x = 570,814,610.76/27,575.44
  6. Step 6: Final answer
    x = 20,700.11

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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.