Home / 27,794.85-38,356.65-15,047.79

Finding the Fourth Proportional to 27,794.85, 38,356.65 and 15,047.79

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Solution

The fourth proportional to 27,794.85, 38,356.65 and 15,047.79 is: 20,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.85 : 38,356.65 = 15,047.79 : x
  2. Step 2: Convert to fraction form
    27,794.85/38,356.65 = 15,047.79/x
  3. Step 3: Cross multiply
    27,794.85x = 38,356.65 × 15,047.79
  4. Step 4: Simplify right side
    27,794.85x = 577,182,814.30
  5. Step 5: Solve for x
    x = 577,182,814.30/27,794.85
  6. Step 6: Final answer
    x = 20,765.82

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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.