Home / 25,878.38-38,825.77-9,238.04

Finding the Fourth Proportional to 25,878.38, 38,825.77 and 9,238.04

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Solution

The fourth proportional to 25,878.38, 38,825.77 and 9,238.04 is: 13,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.38 : 38,825.77 = 9,238.04 : x
  2. Step 2: Convert to fraction form
    25,878.38/38,825.77 = 9,238.04/x
  3. Step 3: Cross multiply
    25,878.38x = 38,825.77 × 9,238.04
  4. Step 4: Simplify right side
    25,878.38x = 358,674,132.28
  5. Step 5: Solve for x
    x = 358,674,132.28/25,878.38
  6. Step 6: Final answer
    x = 13,859.99

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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.