Home / 28,943.59-43,488.04-18,418.18

Finding the Fourth Proportional to 28,943.59, 43,488.04 and 18,418.18

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Solution

The fourth proportional to 28,943.59, 43,488.04 and 18,418.18 is: 27,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.59 : 43,488.04 = 18,418.18 : x
  2. Step 2: Convert to fraction form
    28,943.59/43,488.04 = 18,418.18/x
  3. Step 3: Cross multiply
    28,943.59x = 43,488.04 × 18,418.18
  4. Step 4: Simplify right side
    28,943.59x = 800,970,548.57
  5. Step 5: Solve for x
    x = 800,970,548.57/28,943.59
  6. Step 6: Final answer
    x = 27,673.50

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Find fourth proportional to 28,944.59, 43,489.54 and 18,419.18
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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.