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Finding the Fourth Proportional to 26,807.60, 40,191.96 and 18,020.72

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Solution

The fourth proportional to 26,807.60, 40,191.96 and 18,020.72 is: 27,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.60 : 40,191.96 = 18,020.72 : x
  2. Step 2: Convert to fraction form
    26,807.60/40,191.96 = 18,020.72/x
  3. Step 3: Cross multiply
    26,807.60x = 40,191.96 × 18,020.72
  4. Step 4: Simplify right side
    26,807.60x = 724,288,057.41
  5. Step 5: Solve for x
    x = 724,288,057.41/26,807.60
  6. Step 6: Final answer
    x = 27,018.01

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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.