Home / 26,165.67-39,243-8,631.39

Finding the Fourth Proportional to 26,165.67, 39,243 and 8,631.39

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Solution

The fourth proportional to 26,165.67, 39,243 and 8,631.39 is: 12,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,165.67 : 39,243 = 8,631.39 : x
  2. Step 2: Convert to fraction form
    26,165.67/39,243 = 8,631.39/x
  3. Step 3: Cross multiply
    26,165.67x = 39,243 × 8,631.39
  4. Step 4: Simplify right side
    26,165.67x = 338,721,637.77
  5. Step 5: Solve for x
    x = 338,721,637.77/26,165.67
  6. Step 6: Final answer
    x = 12,945.27

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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.