Home / 21,331.35-32,005.35-8,848.22

Finding the Fourth Proportional to 21,331.35, 32,005.35 and 8,848.22

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Solution

The fourth proportional to 21,331.35, 32,005.35 and 8,848.22 is: 13,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.35 : 32,005.35 = 8,848.22 : x
  2. Step 2: Convert to fraction form
    21,331.35/32,005.35 = 8,848.22/x
  3. Step 3: Cross multiply
    21,331.35x = 32,005.35 × 8,848.22
  4. Step 4: Simplify right side
    21,331.35x = 283,190,217.95
  5. Step 5: Solve for x
    x = 283,190,217.95/21,331.35
  6. Step 6: Final answer
    x = 13,275.78

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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.