Home / 19,433.12-26,834.64-15,234.08

Finding the Fourth Proportional to 19,433.12, 26,834.64 and 15,234.08

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Solution

The fourth proportional to 19,433.12, 26,834.64 and 15,234.08 is: 21,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.12 : 26,834.64 = 15,234.08 : x
  2. Step 2: Convert to fraction form
    19,433.12/26,834.64 = 15,234.08/x
  3. Step 3: Cross multiply
    19,433.12x = 26,834.64 × 15,234.08
  4. Step 4: Simplify right side
    19,433.12x = 408,801,052.53
  5. Step 5: Solve for x
    x = 408,801,052.53/19,433.12
  6. Step 6: Final answer
    x = 21,036.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.