Home / 26,231.68-39,363.96-10,649.32

Finding the Fourth Proportional to 26,231.68, 39,363.96 and 10,649.32

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Solution

The fourth proportional to 26,231.68, 39,363.96 and 10,649.32 is: 15,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.68 : 39,363.96 = 10,649.32 : x
  2. Step 2: Convert to fraction form
    26,231.68/39,363.96 = 10,649.32/x
  3. Step 3: Cross multiply
    26,231.68x = 39,363.96 × 10,649.32
  4. Step 4: Simplify right side
    26,231.68x = 419,199,406.51
  5. Step 5: Solve for x
    x = 419,199,406.51/26,231.68
  6. Step 6: Final answer
    x = 15,980.65

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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.