Home / 27,708.54-38,233.38-15,772.11

Finding the Fourth Proportional to 27,708.54, 38,233.38 and 15,772.11

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Solution

The fourth proportional to 27,708.54, 38,233.38 and 15,772.11 is: 21,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.54 : 38,233.38 = 15,772.11 : x
  2. Step 2: Convert to fraction form
    27,708.54/38,233.38 = 15,772.11/x
  3. Step 3: Cross multiply
    27,708.54x = 38,233.38 × 15,772.11
  4. Step 4: Simplify right side
    27,708.54x = 603,021,075.03
  5. Step 5: Solve for x
    x = 603,021,075.03/27,708.54
  6. Step 6: Final answer
    x = 21,763.00

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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.