Home / 26,476.43-39,673.62-20,915.97

Finding the Fourth Proportional to 26,476.43, 39,673.62 and 20,915.97

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Solution

The fourth proportional to 26,476.43, 39,673.62 and 20,915.97 is: 31,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,476.43 : 39,673.62 = 20,915.97 : x
  2. Step 2: Convert to fraction form
    26,476.43/39,673.62 = 20,915.97/x
  3. Step 3: Cross multiply
    26,476.43x = 39,673.62 × 20,915.97
  4. Step 4: Simplify right side
    26,476.43x = 829,812,245.71
  5. Step 5: Solve for x
    x = 829,812,245.71/26,476.43
  6. Step 6: Final answer
    x = 31,341.55

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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.