Home / 21,750.39-32,653.13-18,097.29

Finding the Fourth Proportional to 21,750.39, 32,653.13 and 18,097.29

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Solution

The fourth proportional to 21,750.39, 32,653.13 and 18,097.29 is: 27,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.39 : 32,653.13 = 18,097.29 : x
  2. Step 2: Convert to fraction form
    21,750.39/32,653.13 = 18,097.29/x
  3. Step 3: Cross multiply
    21,750.39x = 32,653.13 × 18,097.29
  4. Step 4: Simplify right side
    21,750.39x = 590,933,072.53
  5. Step 5: Solve for x
    x = 590,933,072.53/21,750.39
  6. Step 6: Final answer
    x = 27,168.85

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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.