Home / 25,808.65-35,620.08-15,198.28

Finding the Fourth Proportional to 25,808.65, 35,620.08 and 15,198.28

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Solution

The fourth proportional to 25,808.65, 35,620.08 and 15,198.28 is: 20,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.65 : 35,620.08 = 15,198.28 : x
  2. Step 2: Convert to fraction form
    25,808.65/35,620.08 = 15,198.28/x
  3. Step 3: Cross multiply
    25,808.65x = 35,620.08 × 15,198.28
  4. Step 4: Simplify right side
    25,808.65x = 541,364,046.53
  5. Step 5: Solve for x
    x = 541,364,046.53/25,808.65
  6. Step 6: Final answer
    x = 20,976.07

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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.