Home / 25,881.62-35,718.92-15,269.18

Finding the Fourth Proportional to 25,881.62, 35,718.92 and 15,269.18

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Solution

The fourth proportional to 25,881.62, 35,718.92 and 15,269.18 is: 21,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.62 : 35,718.92 = 15,269.18 : x
  2. Step 2: Convert to fraction form
    25,881.62/35,718.92 = 15,269.18/x
  3. Step 3: Cross multiply
    25,881.62x = 35,718.92 × 15,269.18
  4. Step 4: Simplify right side
    25,881.62x = 545,398,542.54
  5. Step 5: Solve for x
    x = 545,398,542.54/25,881.62
  6. Step 6: Final answer
    x = 21,072.81

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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.