Home / 25,517.86-35,206.52-15,443.08

Finding the Fourth Proportional to 25,517.86, 35,206.52 and 15,443.08

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Solution

The fourth proportional to 25,517.86, 35,206.52 and 15,443.08 is: 21,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.86 : 35,206.52 = 15,443.08 : x
  2. Step 2: Convert to fraction form
    25,517.86/35,206.52 = 15,443.08/x
  3. Step 3: Cross multiply
    25,517.86x = 35,206.52 × 15,443.08
  4. Step 4: Simplify right side
    25,517.86x = 543,696,939.65
  5. Step 5: Solve for x
    x = 543,696,939.65/25,517.86
  6. Step 6: Final answer
    x = 21,306.53

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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.