Home / 29,204.18-43,812.78-8,427.68

Finding the Fourth Proportional to 29,204.18, 43,812.78 and 8,427.68

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Solution

The fourth proportional to 29,204.18, 43,812.78 and 8,427.68 is: 12,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,204.18 : 43,812.78 = 8,427.68 : x
  2. Step 2: Convert to fraction form
    29,204.18/43,812.78 = 8,427.68/x
  3. Step 3: Cross multiply
    29,204.18x = 43,812.78 × 8,427.68
  4. Step 4: Simplify right side
    29,204.18x = 369,240,089.75
  5. Step 5: Solve for x
    x = 369,240,089.75/29,204.18
  6. Step 6: Final answer
    x = 12,643.40

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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.