Home / 25,687.13-38,538.93-10,908.49

Finding the Fourth Proportional to 25,687.13, 38,538.93 and 10,908.49

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Solution

The fourth proportional to 25,687.13, 38,538.93 and 10,908.49 is: 16,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.13 : 38,538.93 = 10,908.49 : x
  2. Step 2: Convert to fraction form
    25,687.13/38,538.93 = 10,908.49/x
  3. Step 3: Cross multiply
    25,687.13x = 38,538.93 × 10,908.49
  4. Step 4: Simplify right side
    25,687.13x = 420,401,532.52
  5. Step 5: Solve for x
    x = 420,401,532.52/25,687.13
  6. Step 6: Final answer
    x = 16,366.23

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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.