Home / 27,072.09-40,597.38-10,422.90

Finding the Fourth Proportional to 27,072.09, 40,597.38 and 10,422.90

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Solution

The fourth proportional to 27,072.09, 40,597.38 and 10,422.90 is: 15,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.09 : 40,597.38 = 10,422.90 : x
  2. Step 2: Convert to fraction form
    27,072.09/40,597.38 = 10,422.90/x
  3. Step 3: Cross multiply
    27,072.09x = 40,597.38 × 10,422.90
  4. Step 4: Simplify right side
    27,072.09x = 423,142,432.00
  5. Step 5: Solve for x
    x = 423,142,432.00/27,072.09
  6. Step 6: Final answer
    x = 15,630.21

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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.