Home / 25,286.31-37,929.56-8,658.36

Finding the Fourth Proportional to 25,286.31, 37,929.56 and 8,658.36

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Solution

The fourth proportional to 25,286.31, 37,929.56 and 8,658.36 is: 12,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.31 : 37,929.56 = 8,658.36 : x
  2. Step 2: Convert to fraction form
    25,286.31/37,929.56 = 8,658.36/x
  3. Step 3: Cross multiply
    25,286.31x = 37,929.56 × 8,658.36
  4. Step 4: Simplify right side
    25,286.31x = 328,407,741.83
  5. Step 5: Solve for x
    x = 328,407,741.83/25,286.31
  6. Step 6: Final answer
    x = 12,987.57

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1.5x scale

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.