Home / 39,716.84-54,772.62-26,989.02

Finding the Fourth Proportional to 39,716.84, 54,772.62 and 26,989.02

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Solution

The fourth proportional to 39,716.84, 54,772.62 and 26,989.02 is: 37,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,716.84 : 54,772.62 = 26,989.02 : x
  2. Step 2: Convert to fraction form
    39,716.84/54,772.62 = 26,989.02/x
  3. Step 3: Cross multiply
    39,716.84x = 54,772.62 × 26,989.02
  4. Step 4: Simplify right side
    39,716.84x = 1,478,259,427.42
  5. Step 5: Solve for x
    x = 1,478,259,427.42/39,716.84
  6. Step 6: Final answer
    x = 37,219.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.