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Finding the Fourth Proportional to 22,809.60, 34,214.40 and 16,540.20

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Solution

The fourth proportional to 22,809.60, 34,214.40 and 16,540.20 is: 24,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.60 : 34,214.40 = 16,540.20 : x
  2. Step 2: Convert to fraction form
    22,809.60/34,214.40 = 16,540.20/x
  3. Step 3: Cross multiply
    22,809.60x = 34,214.40 × 16,540.20
  4. Step 4: Simplify right side
    22,809.60x = 565,913,018.88
  5. Step 5: Solve for x
    x = 565,913,018.88/22,809.60
  6. Step 6: Final answer
    x = 24,810.30

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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.