Home / 26,443.20-39,664.56-6,721.56

Finding the Fourth Proportional to 26,443.20, 39,664.56 and 6,721.56

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Solution

The fourth proportional to 26,443.20, 39,664.56 and 6,721.56 is: 10,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.20 : 39,664.56 = 6,721.56 : x
  2. Step 2: Convert to fraction form
    26,443.20/39,664.56 = 6,721.56/x
  3. Step 3: Cross multiply
    26,443.20x = 39,664.56 × 6,721.56
  4. Step 4: Simplify right side
    26,443.20x = 266,607,719.91
  5. Step 5: Solve for x
    x = 266,607,719.91/26,443.20
  6. Step 6: Final answer
    x = 10,082.28

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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.