Home / 26,620.60-36,713.10-21,313.48

Finding the Fourth Proportional to 26,620.60, 36,713.10 and 21,313.48

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Solution

The fourth proportional to 26,620.60, 36,713.10 and 21,313.48 is: 29,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.60 : 36,713.10 = 21,313.48 : x
  2. Step 2: Convert to fraction form
    26,620.60/36,713.10 = 21,313.48/x
  3. Step 3: Cross multiply
    26,620.60x = 36,713.10 × 21,313.48
  4. Step 4: Simplify right side
    26,620.60x = 782,483,922.59
  5. Step 5: Solve for x
    x = 782,483,922.59/26,620.60
  6. Step 6: Final answer
    x = 29,393.93

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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.