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Finding the Fourth Proportional to 22,934.80, 34,479.96 and 18,313.84

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Solution

The fourth proportional to 22,934.80, 34,479.96 and 18,313.84 is: 27,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,934.80 : 34,479.96 = 18,313.84 : x
  2. Step 2: Convert to fraction form
    22,934.80/34,479.96 = 18,313.84/x
  3. Step 3: Cross multiply
    22,934.80x = 34,479.96 × 18,313.84
  4. Step 4: Simplify right side
    22,934.80x = 631,460,470.65
  5. Step 5: Solve for x
    x = 631,460,470.65/22,934.80
  6. Step 6: Final answer
    x = 27,532.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.