Home / 26,550.94-36,638.78-15,218.04

Finding the Fourth Proportional to 26,550.94, 36,638.78 and 15,218.04

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Solution

The fourth proportional to 26,550.94, 36,638.78 and 15,218.04 is: 21,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,550.94 : 36,638.78 = 15,218.04 : x
  2. Step 2: Convert to fraction form
    26,550.94/36,638.78 = 15,218.04/x
  3. Step 3: Cross multiply
    26,550.94x = 36,638.78 × 15,218.04
  4. Step 4: Simplify right side
    26,550.94x = 557,570,419.59
  5. Step 5: Solve for x
    x = 557,570,419.59/26,550.94
  6. Step 6: Final answer
    x = 21,000.03

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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.