Home / 28,732.76-43,102.14-7,956.26

Finding the Fourth Proportional to 28,732.76, 43,102.14 and 7,956.26

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Solution

The fourth proportional to 28,732.76, 43,102.14 and 7,956.26 is: 11,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.76 : 43,102.14 = 7,956.26 : x
  2. Step 2: Convert to fraction form
    28,732.76/43,102.14 = 7,956.26/x
  3. Step 3: Cross multiply
    28,732.76x = 43,102.14 × 7,956.26
  4. Step 4: Simplify right side
    28,732.76x = 342,931,832.40
  5. Step 5: Solve for x
    x = 342,931,832.40/28,732.76
  6. Step 6: Final answer
    x = 11,935.22

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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.