Home / 22,911.60-34,367.40-17,721.20

Finding the Fourth Proportional to 22,911.60, 34,367.40 and 17,721.20

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Solution

The fourth proportional to 22,911.60, 34,367.40 and 17,721.20 is: 26,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.60 : 34,367.40 = 17,721.20 : x
  2. Step 2: Convert to fraction form
    22,911.60/34,367.40 = 17,721.20/x
  3. Step 3: Cross multiply
    22,911.60x = 34,367.40 × 17,721.20
  4. Step 4: Simplify right side
    22,911.60x = 609,031,568.88
  5. Step 5: Solve for x
    x = 609,031,568.88/22,911.60
  6. Step 6: Final answer
    x = 26,581.80

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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.