Home / 25,285.20-37,915.31-7,750.80

Finding the Fourth Proportional to 25,285.20, 37,915.31 and 7,750.80

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Solution

The fourth proportional to 25,285.20, 37,915.31 and 7,750.80 is: 11,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.20 : 37,915.31 = 7,750.80 : x
  2. Step 2: Convert to fraction form
    25,285.20/37,915.31 = 7,750.80/x
  3. Step 3: Cross multiply
    25,285.20x = 37,915.31 × 7,750.80
  4. Step 4: Simplify right side
    25,285.20x = 293,873,795.17
  5. Step 5: Solve for x
    x = 293,873,795.17/25,285.20
  6. Step 6: Final answer
    x = 11,622.37

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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.