Home / 28,691.42-43,044.05-9,968.73

Finding the Fourth Proportional to 28,691.42, 43,044.05 and 9,968.73

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Solution

The fourth proportional to 28,691.42, 43,044.05 and 9,968.73 is: 14,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.42 : 43,044.05 = 9,968.73 : x
  2. Step 2: Convert to fraction form
    28,691.42/43,044.05 = 9,968.73/x
  3. Step 3: Cross multiply
    28,691.42x = 43,044.05 × 9,968.73
  4. Step 4: Simplify right side
    28,691.42x = 429,094,512.56
  5. Step 5: Solve for x
    x = 429,094,512.56/28,691.42
  6. Step 6: Final answer
    x = 14,955.50

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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.