Home / 40,221.90-60,333.48-15,255.36

Finding the Fourth Proportional to 40,221.90, 60,333.48 and 15,255.36

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Solution

The fourth proportional to 40,221.90, 60,333.48 and 15,255.36 is: 22,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.90 : 60,333.48 = 15,255.36 : x
  2. Step 2: Convert to fraction form
    40,221.90/60,333.48 = 15,255.36/x
  3. Step 3: Cross multiply
    40,221.90x = 60,333.48 × 15,255.36
  4. Step 4: Simplify right side
    40,221.90x = 920,408,957.45
  5. Step 5: Solve for x
    x = 920,408,957.45/40,221.90
  6. Step 6: Final answer
    x = 22,883.28

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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.