Home / 27,279.73-40,915.04-7,560.28

Finding the Fourth Proportional to 27,279.73, 40,915.04 and 7,560.28

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Solution

The fourth proportional to 27,279.73, 40,915.04 and 7,560.28 is: 11,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.73 : 40,915.04 = 7,560.28 : x
  2. Step 2: Convert to fraction form
    27,279.73/40,915.04 = 7,560.28/x
  3. Step 3: Cross multiply
    27,279.73x = 40,915.04 × 7,560.28
  4. Step 4: Simplify right side
    27,279.73x = 309,329,018.52
  5. Step 5: Solve for x
    x = 309,329,018.52/27,279.73
  6. Step 6: Final answer
    x = 11,339.15

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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.