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Finding the Fourth Proportional to 24,513.80, 36,770.70 and 18,984.20

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Solution

The fourth proportional to 24,513.80, 36,770.70 and 18,984.20 is: 28,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,513.80 : 36,770.70 = 18,984.20 : x
  2. Step 2: Convert to fraction form
    24,513.80/36,770.70 = 18,984.20/x
  3. Step 3: Cross multiply
    24,513.80x = 36,770.70 × 18,984.20
  4. Step 4: Simplify right side
    24,513.80x = 698,062,322.94
  5. Step 5: Solve for x
    x = 698,062,322.94/24,513.80
  6. Step 6: Final answer
    x = 28,476.30

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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.