Home / 27,020.77-40,515.94-18,597.18

Finding the Fourth Proportional to 27,020.77, 40,515.94 and 18,597.18

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Solution

The fourth proportional to 27,020.77, 40,515.94 and 18,597.18 is: 27,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.77 : 40,515.94 = 18,597.18 : x
  2. Step 2: Convert to fraction form
    27,020.77/40,515.94 = 18,597.18/x
  3. Step 3: Cross multiply
    27,020.77x = 40,515.94 × 18,597.18
  4. Step 4: Simplify right side
    27,020.77x = 753,482,229.05
  5. Step 5: Solve for x
    x = 753,482,229.05/27,020.77
  6. Step 6: Final answer
    x = 27,885.30

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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.