Home / 27,360.56-41,043.28-7,640.30

Finding the Fourth Proportional to 27,360.56, 41,043.28 and 7,640.30

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Solution

The fourth proportional to 27,360.56, 41,043.28 and 7,640.30 is: 11,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,360.56 : 41,043.28 = 7,640.30 : x
  2. Step 2: Convert to fraction form
    27,360.56/41,043.28 = 7,640.30/x
  3. Step 3: Cross multiply
    27,360.56x = 41,043.28 × 7,640.30
  4. Step 4: Simplify right side
    27,360.56x = 313,582,972.18
  5. Step 5: Solve for x
    x = 313,582,972.18/27,360.56
  6. Step 6: Final answer
    x = 11,461.13

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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.