Home / 28,908.66-43,336.35-10,178.49

Finding the Fourth Proportional to 28,908.66, 43,336.35 and 10,178.49

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Solution

The fourth proportional to 28,908.66, 43,336.35 and 10,178.49 is: 15,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.66 : 43,336.35 = 10,178.49 : x
  2. Step 2: Convert to fraction form
    28,908.66/43,336.35 = 10,178.49/x
  3. Step 3: Cross multiply
    28,908.66x = 43,336.35 × 10,178.49
  4. Step 4: Simplify right side
    28,908.66x = 441,098,605.11
  5. Step 5: Solve for x
    x = 441,098,605.11/28,908.66
  6. Step 6: Final answer
    x = 15,258.36

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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.