Home / 28,918-39,914.13-16,350.04

Finding the Fourth Proportional to 28,918, 39,914.13 and 16,350.04

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Solution

The fourth proportional to 28,918, 39,914.13 and 16,350.04 is: 22,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918 : 39,914.13 = 16,350.04 : x
  2. Step 2: Convert to fraction form
    28,918/39,914.13 = 16,350.04/x
  3. Step 3: Cross multiply
    28,918x = 39,914.13 × 16,350.04
  4. Step 4: Simplify right side
    28,918x = 652,597,622.07
  5. Step 5: Solve for x
    x = 652,597,622.07/28,918
  6. Step 6: Final answer
    x = 22,567.18

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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.