Home / 28,211.39-42,293.98-14,154.44

Finding the Fourth Proportional to 28,211.39, 42,293.98 and 14,154.44

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Solution

The fourth proportional to 28,211.39, 42,293.98 and 14,154.44 is: 21,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.39 : 42,293.98 = 14,154.44 : x
  2. Step 2: Convert to fraction form
    28,211.39/42,293.98 = 14,154.44/x
  3. Step 3: Cross multiply
    28,211.39x = 42,293.98 × 14,154.44
  4. Step 4: Simplify right side
    28,211.39x = 598,647,531.50
  5. Step 5: Solve for x
    x = 598,647,531.50/28,211.39
  6. Step 6: Final answer
    x = 21,220.07

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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.