Home / 27,272.86-37,626.80-15,938.33

Finding the Fourth Proportional to 27,272.86, 37,626.80 and 15,938.33

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Solution

The fourth proportional to 27,272.86, 37,626.80 and 15,938.33 is: 21,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.86 : 37,626.80 = 15,938.33 : x
  2. Step 2: Convert to fraction form
    27,272.86/37,626.80 = 15,938.33/x
  3. Step 3: Cross multiply
    27,272.86x = 37,626.80 × 15,938.33
  4. Step 4: Simplify right side
    27,272.86x = 599,708,087.42
  5. Step 5: Solve for x
    x = 599,708,087.42/27,272.86
  6. Step 6: Final answer
    x = 21,989.19

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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.