Home / 25,645.19-38,463.93-8,112.74

Finding the Fourth Proportional to 25,645.19, 38,463.93 and 8,112.74

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Solution

The fourth proportional to 25,645.19, 38,463.93 and 8,112.74 is: 12,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.19 : 38,463.93 = 8,112.74 : x
  2. Step 2: Convert to fraction form
    25,645.19/38,463.93 = 8,112.74/x
  3. Step 3: Cross multiply
    25,645.19x = 38,463.93 × 8,112.74
  4. Step 4: Simplify right side
    25,645.19x = 312,047,671.15
  5. Step 5: Solve for x
    x = 312,047,671.15/25,645.19
  6. Step 6: Final answer
    x = 12,167.89

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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.