Home / 22,720.22-34,077.89-7,929.41

Finding the Fourth Proportional to 22,720.22, 34,077.89 and 7,929.41

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Solution

The fourth proportional to 22,720.22, 34,077.89 and 7,929.41 is: 11,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.22 : 34,077.89 = 7,929.41 : x
  2. Step 2: Convert to fraction form
    22,720.22/34,077.89 = 7,929.41/x
  3. Step 3: Cross multiply
    22,720.22x = 34,077.89 × 7,929.41
  4. Step 4: Simplify right side
    22,720.22x = 270,217,561.74
  5. Step 5: Solve for x
    x = 270,217,561.74/22,720.22
  6. Step 6: Final answer
    x = 11,893.26

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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.