Home / 22,290.78-33,447.20-10,445.41

Finding the Fourth Proportional to 22,290.78, 33,447.20 and 10,445.41

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Solution

The fourth proportional to 22,290.78, 33,447.20 and 10,445.41 is: 15,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.78 : 33,447.20 = 10,445.41 : x
  2. Step 2: Convert to fraction form
    22,290.78/33,447.20 = 10,445.41/x
  3. Step 3: Cross multiply
    22,290.78x = 33,447.20 × 10,445.41
  4. Step 4: Simplify right side
    22,290.78x = 349,369,717.35
  5. Step 5: Solve for x
    x = 349,369,717.35/22,290.78
  6. Step 6: Final answer
    x = 15,673.28

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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.