Home / 21,266.85-29,388.78-15,952.44

Finding the Fourth Proportional to 21,266.85, 29,388.78 and 15,952.44

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Solution

The fourth proportional to 21,266.85, 29,388.78 and 15,952.44 is: 22,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.85 : 29,388.78 = 15,952.44 : x
  2. Step 2: Convert to fraction form
    21,266.85/29,388.78 = 15,952.44/x
  3. Step 3: Cross multiply
    21,266.85x = 29,388.78 × 15,952.44
  4. Step 4: Simplify right side
    21,266.85x = 468,822,749.62
  5. Step 5: Solve for x
    x = 468,822,749.62/21,266.85
  6. Step 6: Final answer
    x = 22,044.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.