Home / 27,774.61-38,304.85-19,290.87

Finding the Fourth Proportional to 27,774.61, 38,304.85 and 19,290.87

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Solution

The fourth proportional to 27,774.61, 38,304.85 and 19,290.87 is: 26,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.61 : 38,304.85 = 19,290.87 : x
  2. Step 2: Convert to fraction form
    27,774.61/38,304.85 = 19,290.87/x
  3. Step 3: Cross multiply
    27,774.61x = 38,304.85 × 19,290.87
  4. Step 4: Simplify right side
    27,774.61x = 738,933,833.49
  5. Step 5: Solve for x
    x = 738,933,833.49/27,774.61
  6. Step 6: Final answer
    x = 26,604.65

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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.