Home / 27,480.80-37,923.68-15,545.28

Finding the Fourth Proportional to 27,480.80, 37,923.68 and 15,545.28

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Solution

The fourth proportional to 27,480.80, 37,923.68 and 15,545.28 is: 21,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.80 : 37,923.68 = 15,545.28 : x
  2. Step 2: Convert to fraction form
    27,480.80/37,923.68 = 15,545.28/x
  3. Step 3: Cross multiply
    27,480.80x = 37,923.68 × 15,545.28
  4. Step 4: Simplify right side
    27,480.80x = 589,534,224.23
  5. Step 5: Solve for x
    x = 589,534,224.23/27,480.80
  6. Step 6: Final answer
    x = 21,452.59

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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.