Home / 28,243.67-42,366.61-8,522.23

Finding the Fourth Proportional to 28,243.67, 42,366.61 and 8,522.23

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Solution

The fourth proportional to 28,243.67, 42,366.61 and 8,522.23 is: 12,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243.67 : 42,366.61 = 8,522.23 : x
  2. Step 2: Convert to fraction form
    28,243.67/42,366.61 = 8,522.23/x
  3. Step 3: Cross multiply
    28,243.67x = 42,366.61 × 8,522.23
  4. Step 4: Simplify right side
    28,243.67x = 361,057,994.74
  5. Step 5: Solve for x
    x = 361,057,994.74/28,243.67
  6. Step 6: Final answer
    x = 12,783.68

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Double scale
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Similar ratio
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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.