Home / 26,118.24-36,027.28-15,505.60

Finding the Fourth Proportional to 26,118.24, 36,027.28 and 15,505.60

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Solution

The fourth proportional to 26,118.24, 36,027.28 and 15,505.60 is: 21,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.24 : 36,027.28 = 15,505.60 : x
  2. Step 2: Convert to fraction form
    26,118.24/36,027.28 = 15,505.60/x
  3. Step 3: Cross multiply
    26,118.24x = 36,027.28 × 15,505.60
  4. Step 4: Simplify right side
    26,118.24x = 558,624,592.77
  5. Step 5: Solve for x
    x = 558,624,592.77/26,118.24
  6. Step 6: Final answer
    x = 21,388.29

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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.