Home / 27,376.82-37,780.56-15,437.83

Finding the Fourth Proportional to 27,376.82, 37,780.56 and 15,437.83

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Solution

The fourth proportional to 27,376.82, 37,780.56 and 15,437.83 is: 21,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.82 : 37,780.56 = 15,437.83 : x
  2. Step 2: Convert to fraction form
    27,376.82/37,780.56 = 15,437.83/x
  3. Step 3: Cross multiply
    27,376.82x = 37,780.56 × 15,437.83
  4. Step 4: Simplify right side
    27,376.82x = 583,249,862.58
  5. Step 5: Solve for x
    x = 583,249,862.58/27,376.82
  6. Step 6: Final answer
    x = 21,304.51

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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.