Home / 20,227.89-27,914.98-11,275.17

Finding the Fourth Proportional to 20,227.89, 27,914.98 and 11,275.17

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Solution

The fourth proportional to 20,227.89, 27,914.98 and 11,275.17 is: 15,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.89 : 27,914.98 = 11,275.17 : x
  2. Step 2: Convert to fraction form
    20,227.89/27,914.98 = 11,275.17/x
  3. Step 3: Cross multiply
    20,227.89x = 27,914.98 × 11,275.17
  4. Step 4: Simplify right side
    20,227.89x = 314,746,033.32
  5. Step 5: Solve for x
    x = 314,746,033.32/20,227.89
  6. Step 6: Final answer
    x = 15,560.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.