Home / 21,525.68-32,283.48-8,372.72

Finding the Fourth Proportional to 21,525.68, 32,283.48 and 8,372.72

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Solution

The fourth proportional to 21,525.68, 32,283.48 and 8,372.72 is: 12,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.68 : 32,283.48 = 8,372.72 : x
  2. Step 2: Convert to fraction form
    21,525.68/32,283.48 = 8,372.72/x
  3. Step 3: Cross multiply
    21,525.68x = 32,283.48 × 8,372.72
  4. Step 4: Simplify right side
    21,525.68x = 270,300,538.67
  5. Step 5: Solve for x
    x = 270,300,538.67/21,525.68
  6. Step 6: Final answer
    x = 12,557.12

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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.