Home / 25,668.12-38,479.69-12,334.48

Finding the Fourth Proportional to 25,668.12, 38,479.69 and 12,334.48

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Solution

The fourth proportional to 25,668.12, 38,479.69 and 12,334.48 is: 18,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.12 : 38,479.69 = 12,334.48 : x
  2. Step 2: Convert to fraction form
    25,668.12/38,479.69 = 12,334.48/x
  3. Step 3: Cross multiply
    25,668.12x = 38,479.69 × 12,334.48
  4. Step 4: Simplify right side
    25,668.12x = 474,626,885.93
  5. Step 5: Solve for x
    x = 474,626,885.93/25,668.12
  6. Step 6: Final answer
    x = 18,490.91

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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.