Home / 28,926.93-39,918.65-16,351.41

Finding the Fourth Proportional to 28,926.93, 39,918.65 and 16,351.41

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Solution

The fourth proportional to 28,926.93, 39,918.65 and 16,351.41 is: 22,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.93 : 39,918.65 = 16,351.41 : x
  2. Step 2: Convert to fraction form
    28,926.93/39,918.65 = 16,351.41/x
  3. Step 3: Cross multiply
    28,926.93x = 39,918.65 × 16,351.41
  4. Step 4: Simplify right side
    28,926.93x = 652,726,131.04
  5. Step 5: Solve for x
    x = 652,726,131.04/28,926.93
  6. Step 6: Final answer
    x = 22,564.65

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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.