Home / 26,322.84-39,484.32-13,161.96

Finding the Fourth Proportional to 26,322.84, 39,484.32 and 13,161.96

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Solution

The fourth proportional to 26,322.84, 39,484.32 and 13,161.96 is: 19,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,322.84 : 39,484.32 = 13,161.96 : x
  2. Step 2: Convert to fraction form
    26,322.84/39,484.32 = 13,161.96/x
  3. Step 3: Cross multiply
    26,322.84x = 39,484.32 × 13,161.96
  4. Step 4: Simplify right side
    26,322.84x = 519,691,040.47
  5. Step 5: Solve for x
    x = 519,691,040.47/26,322.84
  6. Step 6: Final answer
    x = 19,742.97

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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.