Home / 28,079.66-42,098.43-16,984.08

Finding the Fourth Proportional to 28,079.66, 42,098.43 and 16,984.08

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Solution

The fourth proportional to 28,079.66, 42,098.43 and 16,984.08 is: 25,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.66 : 42,098.43 = 16,984.08 : x
  2. Step 2: Convert to fraction form
    28,079.66/42,098.43 = 16,984.08/x
  3. Step 3: Cross multiply
    28,079.66x = 42,098.43 × 16,984.08
  4. Step 4: Simplify right side
    28,079.66x = 715,003,166.68
  5. Step 5: Solve for x
    x = 715,003,166.68/28,079.66
  6. Step 6: Final answer
    x = 25,463.38

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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.