Home / 27,479.38-37,921.54-15,542.46

Finding the Fourth Proportional to 27,479.38, 37,921.54 and 15,542.46

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Solution

The fourth proportional to 27,479.38, 37,921.54 and 15,542.46 is: 21,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.38 : 37,921.54 = 15,542.46 : x
  2. Step 2: Convert to fraction form
    27,479.38/37,921.54 = 15,542.46/x
  3. Step 3: Cross multiply
    27,479.38x = 37,921.54 × 15,542.46
  4. Step 4: Simplify right side
    27,479.38x = 589,393,828.98
  5. Step 5: Solve for x
    x = 589,393,828.98/27,479.38
  6. Step 6: Final answer
    x = 21,448.59

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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.