Home / 25,619.10-38,425.86-8,079.36

Finding the Fourth Proportional to 25,619.10, 38,425.86 and 8,079.36

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Solution

The fourth proportional to 25,619.10, 38,425.86 and 8,079.36 is: 12,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.10 : 38,425.86 = 8,079.36 : x
  2. Step 2: Convert to fraction form
    25,619.10/38,425.86 = 8,079.36/x
  3. Step 3: Cross multiply
    25,619.10x = 38,425.86 × 8,079.36
  4. Step 4: Simplify right side
    25,619.10x = 310,456,356.25
  5. Step 5: Solve for x
    x = 310,456,356.25/25,619.10
  6. Step 6: Final answer
    x = 12,118.16

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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.