Home / 25,885.76-38,816.48-11,841.80

Finding the Fourth Proportional to 25,885.76, 38,816.48 and 11,841.80

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Solution

The fourth proportional to 25,885.76, 38,816.48 and 11,841.80 is: 17,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.76 : 38,816.48 = 11,841.80 : x
  2. Step 2: Convert to fraction form
    25,885.76/38,816.48 = 11,841.80/x
  3. Step 3: Cross multiply
    25,885.76x = 38,816.48 × 11,841.80
  4. Step 4: Simplify right side
    25,885.76x = 459,656,828.39
  5. Step 5: Solve for x
    x = 459,656,828.39/25,885.76
  6. Step 6: Final answer
    x = 17,757.13

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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.