Home / 26,861.92-37,077.36-15,686.56

Finding the Fourth Proportional to 26,861.92, 37,077.36 and 15,686.56

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Solution

The fourth proportional to 26,861.92, 37,077.36 and 15,686.56 is: 21,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.92 : 37,077.36 = 15,686.56 : x
  2. Step 2: Convert to fraction form
    26,861.92/37,077.36 = 15,686.56/x
  3. Step 3: Cross multiply
    26,861.92x = 37,077.36 × 15,686.56
  4. Step 4: Simplify right side
    26,861.92x = 581,616,232.28
  5. Step 5: Solve for x
    x = 581,616,232.28/26,861.92
  6. Step 6: Final answer
    x = 21,652.07

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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.