Home / 21,917.39-32,837.81-18,243.23

Finding the Fourth Proportional to 21,917.39, 32,837.81 and 18,243.23

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Solution

The fourth proportional to 21,917.39, 32,837.81 and 18,243.23 is: 27,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917.39 : 32,837.81 = 18,243.23 : x
  2. Step 2: Convert to fraction form
    21,917.39/32,837.81 = 18,243.23/x
  3. Step 3: Cross multiply
    21,917.39x = 32,837.81 × 18,243.23
  4. Step 4: Simplify right side
    21,917.39x = 599,067,465.12
  5. Step 5: Solve for x
    x = 599,067,465.12/21,917.39
  6. Step 6: Final answer
    x = 27,332.98

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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.