Home / 27,597.06-38,083.89-15,021.78

Finding the Fourth Proportional to 27,597.06, 38,083.89 and 15,021.78

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Solution

The fourth proportional to 27,597.06, 38,083.89 and 15,021.78 is: 20,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,597.06 : 38,083.89 = 15,021.78 : x
  2. Step 2: Convert to fraction form
    27,597.06/38,083.89 = 15,021.78/x
  3. Step 3: Cross multiply
    27,597.06x = 38,083.89 × 15,021.78
  4. Step 4: Simplify right side
    27,597.06x = 572,087,817.12
  5. Step 5: Solve for x
    x = 572,087,817.12/27,597.06
  6. Step 6: Final answer
    x = 20,730.03

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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.