Home / 27,439.62-37,864.44-15,504

Finding the Fourth Proportional to 27,439.62, 37,864.44 and 15,504

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Solution

The fourth proportional to 27,439.62, 37,864.44 and 15,504 is: 21,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,439.62 : 37,864.44 = 15,504 : x
  2. Step 2: Convert to fraction form
    27,439.62/37,864.44 = 15,504/x
  3. Step 3: Cross multiply
    27,439.62x = 37,864.44 × 15,504
  4. Step 4: Simplify right side
    27,439.62x = 587,050,277.76
  5. Step 5: Solve for x
    x = 587,050,277.76/27,439.62
  6. Step 6: Final answer
    x = 21,394.26

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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.