Home / 27,885.58-38,489.20-15,952.66

Finding the Fourth Proportional to 27,885.58, 38,489.20 and 15,952.66

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Solution

The fourth proportional to 27,885.58, 38,489.20 and 15,952.66 is: 22,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.58 : 38,489.20 = 15,952.66 : x
  2. Step 2: Convert to fraction form
    27,885.58/38,489.20 = 15,952.66/x
  3. Step 3: Cross multiply
    27,885.58x = 38,489.20 × 15,952.66
  4. Step 4: Simplify right side
    27,885.58x = 614,004,849.06
  5. Step 5: Solve for x
    x = 614,004,849.06/27,885.58
  6. Step 6: Final answer
    x = 22,018.73

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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.