Home / 25,020.85-37,531.73-8,377.78

Finding the Fourth Proportional to 25,020.85, 37,531.73 and 8,377.78

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Solution

The fourth proportional to 25,020.85, 37,531.73 and 8,377.78 is: 12,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020.85 : 37,531.73 = 8,377.78 : x
  2. Step 2: Convert to fraction form
    25,020.85/37,531.73 = 8,377.78/x
  3. Step 3: Cross multiply
    25,020.85x = 37,531.73 × 8,377.78
  4. Step 4: Simplify right side
    25,020.85x = 314,432,576.96
  5. Step 5: Solve for x
    x = 314,432,576.96/25,020.85
  6. Step 6: Final answer
    x = 12,566.82

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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.