Home / 28,949.63-43,497.05-18,424.19

Finding the Fourth Proportional to 28,949.63, 43,497.05 and 18,424.19

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Solution

The fourth proportional to 28,949.63, 43,497.05 and 18,424.19 is: 27,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.63 : 43,497.05 = 18,424.19 : x
  2. Step 2: Convert to fraction form
    28,949.63/43,497.05 = 18,424.19/x
  3. Step 3: Cross multiply
    28,949.63x = 43,497.05 × 18,424.19
  4. Step 4: Simplify right side
    28,949.63x = 801,397,930.26
  5. Step 5: Solve for x
    x = 801,397,930.26/28,949.63
  6. Step 6: Final answer
    x = 27,682.50

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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.