Home / 27,220.38-37,561.08-15,282.06

Finding the Fourth Proportional to 27,220.38, 37,561.08 and 15,282.06

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Solution

The fourth proportional to 27,220.38, 37,561.08 and 15,282.06 is: 21,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.38 : 37,561.08 = 15,282.06 : x
  2. Step 2: Convert to fraction form
    27,220.38/37,561.08 = 15,282.06/x
  3. Step 3: Cross multiply
    27,220.38x = 37,561.08 × 15,282.06
  4. Step 4: Simplify right side
    27,220.38x = 574,010,678.22
  5. Step 5: Solve for x
    x = 574,010,678.22/27,220.38
  6. Step 6: Final answer
    x = 21,087.53

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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.