Home / 27,629.01-38,126.79-15,692.16

Finding the Fourth Proportional to 27,629.01, 38,126.79 and 15,692.16

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Solution

The fourth proportional to 27,629.01, 38,126.79 and 15,692.16 is: 21,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.01 : 38,126.79 = 15,692.16 : x
  2. Step 2: Convert to fraction form
    27,629.01/38,126.79 = 15,692.16/x
  3. Step 3: Cross multiply
    27,629.01x = 38,126.79 × 15,692.16
  4. Step 4: Simplify right side
    27,629.01x = 598,291,688.97
  5. Step 5: Solve for x
    x = 598,291,688.97/27,629.01
  6. Step 6: Final answer
    x = 21,654.47

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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.