Home / 28,929.39-43,397.51-10,205.52

Finding the Fourth Proportional to 28,929.39, 43,397.51 and 10,205.52

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Solution

The fourth proportional to 28,929.39, 43,397.51 and 10,205.52 is: 15,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.39 : 43,397.51 = 10,205.52 : x
  2. Step 2: Convert to fraction form
    28,929.39/43,397.51 = 10,205.52/x
  3. Step 3: Cross multiply
    28,929.39x = 43,397.51 × 10,205.52
  4. Step 4: Simplify right side
    28,929.39x = 442,894,105.23
  5. Step 5: Solve for x
    x = 442,894,105.23/28,929.39
  6. Step 6: Final answer
    x = 15,309.49

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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.