Home / 21,677.20-32,515.63-6,887.27

Finding the Fourth Proportional to 21,677.20, 32,515.63 and 6,887.27

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Solution

The fourth proportional to 21,677.20, 32,515.63 and 6,887.27 is: 10,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.20 : 32,515.63 = 6,887.27 : x
  2. Step 2: Convert to fraction form
    21,677.20/32,515.63 = 6,887.27/x
  3. Step 3: Cross multiply
    21,677.20x = 32,515.63 × 6,887.27
  4. Step 4: Simplify right side
    21,677.20x = 223,943,923.03
  5. Step 5: Solve for x
    x = 223,943,923.03/21,677.20
  6. Step 6: Final answer
    x = 10,330.85

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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.