Home / 26,622.31-36,771.50-19,937.79

Finding the Fourth Proportional to 26,622.31, 36,771.50 and 19,937.79

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Solution

The fourth proportional to 26,622.31, 36,771.50 and 19,937.79 is: 27,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,622.31 : 36,771.50 = 19,937.79 : x
  2. Step 2: Convert to fraction form
    26,622.31/36,771.50 = 19,937.79/x
  3. Step 3: Cross multiply
    26,622.31x = 36,771.50 × 19,937.79
  4. Step 4: Simplify right side
    26,622.31x = 733,142,444.99
  5. Step 5: Solve for x
    x = 733,142,444.99/26,622.31
  6. Step 6: Final answer
    x = 27,538.65

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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.