Home / 21,525.08-32,288.99-5,729.86

Finding the Fourth Proportional to 21,525.08, 32,288.99 and 5,729.86

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Solution

The fourth proportional to 21,525.08, 32,288.99 and 5,729.86 is: 8,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.08 : 32,288.99 = 5,729.86 : x
  2. Step 2: Convert to fraction form
    21,525.08/32,288.99 = 5,729.86/x
  3. Step 3: Cross multiply
    21,525.08x = 32,288.99 × 5,729.86
  4. Step 4: Simplify right side
    21,525.08x = 185,011,325.84
  5. Step 5: Solve for x
    x = 185,011,325.84/21,525.08
  6. Step 6: Final answer
    x = 8,595.15

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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.