Home / 27,480.25-37,922.75-15,543.33

Finding the Fourth Proportional to 27,480.25, 37,922.75 and 15,543.33

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Solution

The fourth proportional to 27,480.25, 37,922.75 and 15,543.33 is: 21,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.25 : 37,922.75 = 15,543.33 : x
  2. Step 2: Convert to fraction form
    27,480.25/37,922.75 = 15,543.33/x
  3. Step 3: Cross multiply
    27,480.25x = 37,922.75 × 15,543.33
  4. Step 4: Simplify right side
    27,480.25x = 589,445,778.90
  5. Step 5: Solve for x
    x = 589,445,778.90/27,480.25
  6. Step 6: Final answer
    x = 21,449.80

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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.