Home / 25,460.06-38,182.80-8,815.80

Finding the Fourth Proportional to 25,460.06, 38,182.80 and 8,815.80

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Solution

The fourth proportional to 25,460.06, 38,182.80 and 8,815.80 is: 13,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,460.06 : 38,182.80 = 8,815.80 : x
  2. Step 2: Convert to fraction form
    25,460.06/38,182.80 = 8,815.80/x
  3. Step 3: Cross multiply
    25,460.06x = 38,182.80 × 8,815.80
  4. Step 4: Simplify right side
    25,460.06x = 336,611,928.24
  5. Step 5: Solve for x
    x = 336,611,928.24/25,460.06
  6. Step 6: Final answer
    x = 13,221.18

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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.