Home / 25,769.21-38,643.92-9,126.17

Finding the Fourth Proportional to 25,769.21, 38,643.92 and 9,126.17

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Solution

The fourth proportional to 25,769.21, 38,643.92 and 9,126.17 is: 13,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.21 : 38,643.92 = 9,126.17 : x
  2. Step 2: Convert to fraction form
    25,769.21/38,643.92 = 9,126.17/x
  3. Step 3: Cross multiply
    25,769.21x = 38,643.92 × 9,126.17
  4. Step 4: Simplify right side
    25,769.21x = 352,670,937.76
  5. Step 5: Solve for x
    x = 352,670,937.76/25,769.21
  6. Step 6: Final answer
    x = 13,685.75

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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.