Home / 21,875.28-32,799.96-8,360.52

Finding the Fourth Proportional to 21,875.28, 32,799.96 and 8,360.52

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Solution

The fourth proportional to 21,875.28, 32,799.96 and 8,360.52 is: 12,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.28 : 32,799.96 = 8,360.52 : x
  2. Step 2: Convert to fraction form
    21,875.28/32,799.96 = 8,360.52/x
  3. Step 3: Cross multiply
    21,875.28x = 32,799.96 × 8,360.52
  4. Step 4: Simplify right side
    21,875.28x = 274,224,721.58
  5. Step 5: Solve for x
    x = 274,224,721.58/21,875.28
  6. Step 6: Final answer
    x = 12,535.83

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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.