Home / 27,280.18-40,915.68-7,560.70

Finding the Fourth Proportional to 27,280.18, 40,915.68 and 7,560.70

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Solution

The fourth proportional to 27,280.18, 40,915.68 and 7,560.70 is: 11,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.18 : 40,915.68 = 7,560.70 : x
  2. Step 2: Convert to fraction form
    27,280.18/40,915.68 = 7,560.70/x
  3. Step 3: Cross multiply
    27,280.18x = 40,915.68 × 7,560.70
  4. Step 4: Simplify right side
    27,280.18x = 309,351,181.78
  5. Step 5: Solve for x
    x = 309,351,181.78/27,280.18
  6. Step 6: Final answer
    x = 11,339.78

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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.