Home / 26,665.53-39,998.05-10,866.86

Finding the Fourth Proportional to 26,665.53, 39,998.05 and 10,866.86

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Solution

The fourth proportional to 26,665.53, 39,998.05 and 10,866.86 is: 16,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.53 : 39,998.05 = 10,866.86 : x
  2. Step 2: Convert to fraction form
    26,665.53/39,998.05 = 10,866.86/x
  3. Step 3: Cross multiply
    26,665.53x = 39,998.05 × 10,866.86
  4. Step 4: Simplify right side
    26,665.53x = 434,653,193.58
  5. Step 5: Solve for x
    x = 434,653,193.58/26,665.53
  6. Step 6: Final answer
    x = 16,300.19

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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.