Home / 27,261.70-40,892.55-21,356.80

Finding the Fourth Proportional to 27,261.70, 40,892.55 and 21,356.80

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Solution

The fourth proportional to 27,261.70, 40,892.55 and 21,356.80 is: 32,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.70 : 40,892.55 = 21,356.80 : x
  2. Step 2: Convert to fraction form
    27,261.70/40,892.55 = 21,356.80/x
  3. Step 3: Cross multiply
    27,261.70x = 40,892.55 × 21,356.80
  4. Step 4: Simplify right side
    27,261.70x = 873,334,011.84
  5. Step 5: Solve for x
    x = 873,334,011.84/27,261.70
  6. Step 6: Final answer
    x = 32,035.20

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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.