Home / 26,349.70-39,530.46-13,875.60

Finding the Fourth Proportional to 26,349.70, 39,530.46 and 13,875.60

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Solution

The fourth proportional to 26,349.70, 39,530.46 and 13,875.60 is: 20,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.70 : 39,530.46 = 13,875.60 : x
  2. Step 2: Convert to fraction form
    26,349.70/39,530.46 = 13,875.60/x
  3. Step 3: Cross multiply
    26,349.70x = 39,530.46 × 13,875.60
  4. Step 4: Simplify right side
    26,349.70x = 548,508,850.78
  5. Step 5: Solve for x
    x = 548,508,850.78/26,349.70
  6. Step 6: Final answer
    x = 20,816.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.