Home / 28,984.49-43,397.69-21,943.20

Finding the Fourth Proportional to 28,984.49, 43,397.69 and 21,943.20

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Solution

The fourth proportional to 28,984.49, 43,397.69 and 21,943.20 is: 32,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.49 : 43,397.69 = 21,943.20 : x
  2. Step 2: Convert to fraction form
    28,984.49/43,397.69 = 21,943.20/x
  3. Step 3: Cross multiply
    28,984.49x = 43,397.69 × 21,943.20
  4. Step 4: Simplify right side
    28,984.49x = 952,284,081.49
  5. Step 5: Solve for x
    x = 952,284,081.49/28,984.49
  6. Step 6: Final answer
    x = 32,854.96

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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.