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Finding the Fourth Proportional to 27,220.10, 40,850.40 and 14,065.70

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Solution

The fourth proportional to 27,220.10, 40,850.40 and 14,065.70 is: 21,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.10 : 40,850.40 = 14,065.70 : x
  2. Step 2: Convert to fraction form
    27,220.10/40,850.40 = 14,065.70/x
  3. Step 3: Cross multiply
    27,220.10x = 40,850.40 × 14,065.70
  4. Step 4: Simplify right side
    27,220.10x = 574,589,471.28
  5. Step 5: Solve for x
    x = 574,589,471.28/27,220.10
  6. Step 6: Final answer
    x = 21,109.01

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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.