Home / 21,799.40-32,694.23-8,648.24

Finding the Fourth Proportional to 21,799.40, 32,694.23 and 8,648.24

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Solution

The fourth proportional to 21,799.40, 32,694.23 and 8,648.24 is: 12,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,799.40 : 32,694.23 = 8,648.24 : x
  2. Step 2: Convert to fraction form
    21,799.40/32,694.23 = 8,648.24/x
  3. Step 3: Cross multiply
    21,799.40x = 32,694.23 × 8,648.24
  4. Step 4: Simplify right side
    21,799.40x = 282,747,405.80
  5. Step 5: Solve for x
    x = 282,747,405.80/21,799.40
  6. Step 6: Final answer
    x = 12,970.42

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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.