Home / 26,521.30-39,775.77-11,722.15

Finding the Fourth Proportional to 26,521.30, 39,775.77 and 11,722.15

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Solution

The fourth proportional to 26,521.30, 39,775.77 and 11,722.15 is: 17,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.30 : 39,775.77 = 11,722.15 : x
  2. Step 2: Convert to fraction form
    26,521.30/39,775.77 = 11,722.15/x
  3. Step 3: Cross multiply
    26,521.30x = 39,775.77 × 11,722.15
  4. Step 4: Simplify right side
    26,521.30x = 466,257,542.31
  5. Step 5: Solve for x
    x = 466,257,542.31/26,521.30
  6. Step 6: Final answer
    x = 17,580.49

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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.