Home / 25,077.90-34,579.14-15,991.14

Finding the Fourth Proportional to 25,077.90, 34,579.14 and 15,991.14

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Solution

The fourth proportional to 25,077.90, 34,579.14 and 15,991.14 is: 22,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,077.90 : 34,579.14 = 15,991.14 : x
  2. Step 2: Convert to fraction form
    25,077.90/34,579.14 = 15,991.14/x
  3. Step 3: Cross multiply
    25,077.90x = 34,579.14 × 15,991.14
  4. Step 4: Simplify right side
    25,077.90x = 552,959,868.82
  5. Step 5: Solve for x
    x = 552,959,868.82/25,077.90
  6. Step 6: Final answer
    x = 22,049.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.