Home / 27,577.40-41,366.10-21,356.60

Finding the Fourth Proportional to 27,577.40, 41,366.10 and 21,356.60

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Solution

The fourth proportional to 27,577.40, 41,366.10 and 21,356.60 is: 32,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,577.40 : 41,366.10 = 21,356.60 : x
  2. Step 2: Convert to fraction form
    27,577.40/41,366.10 = 21,356.60/x
  3. Step 3: Cross multiply
    27,577.40x = 41,366.10 × 21,356.60
  4. Step 4: Simplify right side
    27,577.40x = 883,439,251.26
  5. Step 5: Solve for x
    x = 883,439,251.26/27,577.40
  6. Step 6: Final answer
    x = 32,034.90

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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.