Home / 27,591.08-38,075.86-15,015.96

Finding the Fourth Proportional to 27,591.08, 38,075.86 and 15,015.96

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Solution

The fourth proportional to 27,591.08, 38,075.86 and 15,015.96 is: 20,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.08 : 38,075.86 = 15,015.96 : x
  2. Step 2: Convert to fraction form
    27,591.08/38,075.86 = 15,015.96/x
  3. Step 3: Cross multiply
    27,591.08x = 38,075.86 × 15,015.96
  4. Step 4: Simplify right side
    27,591.08x = 571,745,590.73
  5. Step 5: Solve for x
    x = 571,745,590.73/27,591.08
  6. Step 6: Final answer
    x = 20,722.12

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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.