Home / 17,126.84-25,520.93-15,382.60

Finding the Fourth Proportional to 17,126.84, 25,520.93 and 15,382.60

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Solution

The fourth proportional to 17,126.84, 25,520.93 and 15,382.60 is: 22,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.84 : 25,520.93 = 15,382.60 : x
  2. Step 2: Convert to fraction form
    17,126.84/25,520.93 = 15,382.60/x
  3. Step 3: Cross multiply
    17,126.84x = 25,520.93 × 15,382.60
  4. Step 4: Simplify right side
    17,126.84x = 392,578,257.82
  5. Step 5: Solve for x
    x = 392,578,257.82/17,126.84
  6. Step 6: Final answer
    x = 22,921.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.