Home / 25,279.46-34,881.27-16,212.76

Finding the Fourth Proportional to 25,279.46, 34,881.27 and 16,212.76

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Solution

The fourth proportional to 25,279.46, 34,881.27 and 16,212.76 is: 22,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.46 : 34,881.27 = 16,212.76 : x
  2. Step 2: Convert to fraction form
    25,279.46/34,881.27 = 16,212.76/x
  3. Step 3: Cross multiply
    25,279.46x = 34,881.27 × 16,212.76
  4. Step 4: Simplify right side
    25,279.46x = 565,521,511.00
  5. Step 5: Solve for x
    x = 565,521,511.00/25,279.46
  6. Step 6: Final answer
    x = 22,370.79

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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.