Home / 26,085.12-39,040.20-21,404.94

Finding the Fourth Proportional to 26,085.12, 39,040.20 and 21,404.94

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Solution

The fourth proportional to 26,085.12, 39,040.20 and 21,404.94 is: 32,035.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,085.12 : 39,040.20 = 21,404.94 : x
  2. Step 2: Convert to fraction form
    26,085.12/39,040.20 = 21,404.94/x
  3. Step 3: Cross multiply
    26,085.12x = 39,040.20 × 21,404.94
  4. Step 4: Simplify right side
    26,085.12x = 835,653,138.59
  5. Step 5: Solve for x
    x = 835,653,138.59/26,085.12
  6. Step 6: Final answer
    x = 32,035.63

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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.