Home / 28,868.31-43,274.70-9,133.29

Finding the Fourth Proportional to 28,868.31, 43,274.70 and 9,133.29

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Solution

The fourth proportional to 28,868.31, 43,274.70 and 9,133.29 is: 13,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.31 : 43,274.70 = 9,133.29 : x
  2. Step 2: Convert to fraction form
    28,868.31/43,274.70 = 9,133.29/x
  3. Step 3: Cross multiply
    28,868.31x = 43,274.70 × 9,133.29
  4. Step 4: Simplify right side
    28,868.31x = 395,240,384.76
  5. Step 5: Solve for x
    x = 395,240,384.76/28,868.31
  6. Step 6: Final answer
    x = 13,691.15

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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.