Home / 25,507.15-38,263.64-6,787.96

Finding the Fourth Proportional to 25,507.15, 38,263.64 and 6,787.96

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Solution

The fourth proportional to 25,507.15, 38,263.64 and 6,787.96 is: 10,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.15 : 38,263.64 = 6,787.96 : x
  2. Step 2: Convert to fraction form
    25,507.15/38,263.64 = 6,787.96/x
  3. Step 3: Cross multiply
    25,507.15x = 38,263.64 × 6,787.96
  4. Step 4: Simplify right side
    25,507.15x = 259,732,023.83
  5. Step 5: Solve for x
    x = 259,732,023.83/25,507.15
  6. Step 6: Final answer
    x = 10,182.71

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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.