Home / 27,020.29-37,287.85-15,692.57

Finding the Fourth Proportional to 27,020.29, 37,287.85 and 15,692.57

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Solution

The fourth proportional to 27,020.29, 37,287.85 and 15,692.57 is: 21,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.29 : 37,287.85 = 15,692.57 : x
  2. Step 2: Convert to fraction form
    27,020.29/37,287.85 = 15,692.57/x
  3. Step 3: Cross multiply
    27,020.29x = 37,287.85 × 15,692.57
  4. Step 4: Simplify right side
    27,020.29x = 585,142,009.84
  5. Step 5: Solve for x
    x = 585,142,009.84/27,020.29
  6. Step 6: Final answer
    x = 21,655.66

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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.