Home / 21,918.54-32,873.52-18,244.38

Finding the Fourth Proportional to 21,918.54, 32,873.52 and 18,244.38

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Solution

The fourth proportional to 21,918.54, 32,873.52 and 18,244.38 is: 27,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,918.54 : 32,873.52 = 18,244.38 : x
  2. Step 2: Convert to fraction form
    21,918.54/32,873.52 = 18,244.38/x
  3. Step 3: Cross multiply
    21,918.54x = 32,873.52 × 18,244.38
  4. Step 4: Simplify right side
    21,918.54x = 599,756,990.82
  5. Step 5: Solve for x
    x = 599,756,990.82/21,918.54
  6. Step 6: Final answer
    x = 27,363.00

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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.