Home / 26,240.28-39,347.46-11,442.78

Finding the Fourth Proportional to 26,240.28, 39,347.46 and 11,442.78

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Solution

The fourth proportional to 26,240.28, 39,347.46 and 11,442.78 is: 17,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,240.28 : 39,347.46 = 11,442.78 : x
  2. Step 2: Convert to fraction form
    26,240.28/39,347.46 = 11,442.78/x
  3. Step 3: Cross multiply
    26,240.28x = 39,347.46 × 11,442.78
  4. Step 4: Simplify right side
    26,240.28x = 450,244,328.34
  5. Step 5: Solve for x
    x = 450,244,328.34/26,240.28
  6. Step 6: Final answer
    x = 17,158.52

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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.