Home / 26,239.91-39,327.06-20,671.26

Finding the Fourth Proportional to 26,239.91, 39,327.06 and 20,671.26

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Solution

The fourth proportional to 26,239.91, 39,327.06 and 20,671.26 is: 30,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.91 : 39,327.06 = 20,671.26 : x
  2. Step 2: Convert to fraction form
    26,239.91/39,327.06 = 20,671.26/x
  3. Step 3: Cross multiply
    26,239.91x = 39,327.06 × 20,671.26
  4. Step 4: Simplify right side
    26,239.91x = 812,939,882.30
  5. Step 5: Solve for x
    x = 812,939,882.30/26,239.91
  6. Step 6: Final answer
    x = 30,981.05

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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.