Home / 26,631.22-39,908.76-19,555.72

Finding the Fourth Proportional to 26,631.22, 39,908.76 and 19,555.72

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Solution

The fourth proportional to 26,631.22, 39,908.76 and 19,555.72 is: 29,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.22 : 39,908.76 = 19,555.72 : x
  2. Step 2: Convert to fraction form
    26,631.22/39,908.76 = 19,555.72/x
  3. Step 3: Cross multiply
    26,631.22x = 39,908.76 × 19,555.72
  4. Step 4: Simplify right side
    26,631.22x = 780,444,536.11
  5. Step 5: Solve for x
    x = 780,444,536.11/26,631.22
  6. Step 6: Final answer
    x = 29,305.62

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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.