Home / 27,479.24-37,922.21-15,542.34

Finding the Fourth Proportional to 27,479.24, 37,922.21 and 15,542.34

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Solution

The fourth proportional to 27,479.24, 37,922.21 and 15,542.34 is: 21,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.24 : 37,922.21 = 15,542.34 : x
  2. Step 2: Convert to fraction form
    27,479.24/37,922.21 = 15,542.34/x
  3. Step 3: Cross multiply
    27,479.24x = 37,922.21 × 15,542.34
  4. Step 4: Simplify right side
    27,479.24x = 589,399,803.66
  5. Step 5: Solve for x
    x = 589,399,803.66/27,479.24
  6. Step 6: Final answer
    x = 21,448.92

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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.