Home / 28,951.93-43,398.39-12,301.34

Finding the Fourth Proportional to 28,951.93, 43,398.39 and 12,301.34

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Solution

The fourth proportional to 28,951.93, 43,398.39 and 12,301.34 is: 18,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.93 : 43,398.39 = 12,301.34 : x
  2. Step 2: Convert to fraction form
    28,951.93/43,398.39 = 12,301.34/x
  3. Step 3: Cross multiply
    28,951.93x = 43,398.39 × 12,301.34
  4. Step 4: Simplify right side
    28,951.93x = 533,858,250.46
  5. Step 5: Solve for x
    x = 533,858,250.46/28,951.93
  6. Step 6: Final answer
    x = 18,439.47

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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.