Home / 26,871.60-37,082.16-15,693.60

Finding the Fourth Proportional to 26,871.60, 37,082.16 and 15,693.60

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Solution

The fourth proportional to 26,871.60, 37,082.16 and 15,693.60 is: 21,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.60 : 37,082.16 = 15,693.60 : x
  2. Step 2: Convert to fraction form
    26,871.60/37,082.16 = 15,693.60/x
  3. Step 3: Cross multiply
    26,871.60x = 37,082.16 × 15,693.60
  4. Step 4: Simplify right side
    26,871.60x = 581,952,586.18
  5. Step 5: Solve for x
    x = 581,952,586.18/26,871.60
  6. Step 6: Final answer
    x = 21,656.79

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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.