Home / 21,945.76-32,922.74-8,799.16

Finding the Fourth Proportional to 21,945.76, 32,922.74 and 8,799.16

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Solution

The fourth proportional to 21,945.76, 32,922.74 and 8,799.16 is: 13,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.76 : 32,922.74 = 8,799.16 : x
  2. Step 2: Convert to fraction form
    21,945.76/32,922.74 = 8,799.16/x
  3. Step 3: Cross multiply
    21,945.76x = 32,922.74 × 8,799.16
  4. Step 4: Simplify right side
    21,945.76x = 289,692,456.90
  5. Step 5: Solve for x
    x = 289,692,456.90/21,945.76
  6. Step 6: Final answer
    x = 13,200.38

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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.