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Finding the Fourth Proportional to 21,775.26, 32,659.04 and 9,926.38

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Solution

The fourth proportional to 21,775.26, 32,659.04 and 9,926.38 is: 14,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.26 : 32,659.04 = 9,926.38 : x
  2. Step 2: Convert to fraction form
    21,775.26/32,659.04 = 9,926.38/x
  3. Step 3: Cross multiply
    21,775.26x = 32,659.04 × 9,926.38
  4. Step 4: Simplify right side
    21,775.26x = 324,186,041.48
  5. Step 5: Solve for x
    x = 324,186,041.48/21,775.26
  6. Step 6: Final answer
    x = 14,887.81

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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.