Home / 21,589.72-32,385.74-6,799.79

Finding the Fourth Proportional to 21,589.72, 32,385.74 and 6,799.79

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Solution

The fourth proportional to 21,589.72, 32,385.74 and 6,799.79 is: 10,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.72 : 32,385.74 = 6,799.79 : x
  2. Step 2: Convert to fraction form
    21,589.72/32,385.74 = 6,799.79/x
  3. Step 3: Cross multiply
    21,589.72x = 32,385.74 × 6,799.79
  4. Step 4: Simplify right side
    21,589.72x = 220,216,197.00
  5. Step 5: Solve for x
    x = 220,216,197.00/21,589.72
  6. Step 6: Final answer
    x = 10,200.05

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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.