Home / 28,630.44-42,943.32-11,098.80

Finding the Fourth Proportional to 28,630.44, 42,943.32 and 11,098.80

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Solution

The fourth proportional to 28,630.44, 42,943.32 and 11,098.80 is: 16,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.44 : 42,943.32 = 11,098.80 : x
  2. Step 2: Convert to fraction form
    28,630.44/42,943.32 = 11,098.80/x
  3. Step 3: Cross multiply
    28,630.44x = 42,943.32 × 11,098.80
  4. Step 4: Simplify right side
    28,630.44x = 476,619,320.02
  5. Step 5: Solve for x
    x = 476,619,320.02/28,630.44
  6. Step 6: Final answer
    x = 16,647.29

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1.5x scale

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.