Home / 27,276.97-37,641.88-15,342.33

Finding the Fourth Proportional to 27,276.97, 37,641.88 and 15,342.33

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Solution

The fourth proportional to 27,276.97, 37,641.88 and 15,342.33 is: 21,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.97 : 37,641.88 = 15,342.33 : x
  2. Step 2: Convert to fraction form
    27,276.97/37,641.88 = 15,342.33/x
  3. Step 3: Cross multiply
    27,276.97x = 37,641.88 × 15,342.33
  4. Step 4: Simplify right side
    27,276.97x = 577,514,093.38
  5. Step 5: Solve for x
    x = 577,514,093.38/27,276.97
  6. Step 6: Final answer
    x = 21,172.22

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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.