Home / 26,747.96-40,135.60-17,869.36

Finding the Fourth Proportional to 26,747.96, 40,135.60 and 17,869.36

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Solution

The fourth proportional to 26,747.96, 40,135.60 and 17,869.36 is: 26,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.96 : 40,135.60 = 17,869.36 : x
  2. Step 2: Convert to fraction form
    26,747.96/40,135.60 = 17,869.36/x
  3. Step 3: Cross multiply
    26,747.96x = 40,135.60 × 17,869.36
  4. Step 4: Simplify right side
    26,747.96x = 717,197,485.22
  5. Step 5: Solve for x
    x = 717,197,485.22/26,747.96
  6. Step 6: Final answer
    x = 26,813.17

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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.