Home / 25,927.49-38,899.30-9,287.66

Finding the Fourth Proportional to 25,927.49, 38,899.30 and 9,287.66

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Solution

The fourth proportional to 25,927.49, 38,899.30 and 9,287.66 is: 13,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,927.49 : 38,899.30 = 9,287.66 : x
  2. Step 2: Convert to fraction form
    25,927.49/38,899.30 = 9,287.66/x
  3. Step 3: Cross multiply
    25,927.49x = 38,899.30 × 9,287.66
  4. Step 4: Simplify right side
    25,927.49x = 361,283,449.42
  5. Step 5: Solve for x
    x = 361,283,449.42/25,927.49
  6. Step 6: Final answer
    x = 13,934.38

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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.