Home / 28,908.81-43,366.10-7,849.19

Finding the Fourth Proportional to 28,908.81, 43,366.10 and 7,849.19

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Solution

The fourth proportional to 28,908.81, 43,366.10 and 7,849.19 is: 11,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.81 : 43,366.10 = 7,849.19 : x
  2. Step 2: Convert to fraction form
    28,908.81/43,366.10 = 7,849.19/x
  3. Step 3: Cross multiply
    28,908.81x = 43,366.10 × 7,849.19
  4. Step 4: Simplify right side
    28,908.81x = 340,388,758.46
  5. Step 5: Solve for x
    x = 340,388,758.46/28,908.81
  6. Step 6: Final answer
    x = 11,774.57

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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.