Home / 27,387.66-37,791.72-15,450.30

Finding the Fourth Proportional to 27,387.66, 37,791.72 and 15,450.30

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Solution

The fourth proportional to 27,387.66, 37,791.72 and 15,450.30 is: 21,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.66 : 37,791.72 = 15,450.30 : x
  2. Step 2: Convert to fraction form
    27,387.66/37,791.72 = 15,450.30/x
  3. Step 3: Cross multiply
    27,387.66x = 37,791.72 × 15,450.30
  4. Step 4: Simplify right side
    27,387.66x = 583,893,411.52
  5. Step 5: Solve for x
    x = 583,893,411.52/27,387.66
  6. Step 6: Final answer
    x = 21,319.58

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1.5x scale

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.