Home / 27,764.44-38,314.86-15,189.16

Finding the Fourth Proportional to 27,764.44, 38,314.86 and 15,189.16

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Solution

The fourth proportional to 27,764.44, 38,314.86 and 15,189.16 is: 20,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.44 : 38,314.86 = 15,189.16 : x
  2. Step 2: Convert to fraction form
    27,764.44/38,314.86 = 15,189.16/x
  3. Step 3: Cross multiply
    27,764.44x = 38,314.86 × 15,189.16
  4. Step 4: Simplify right side
    27,764.44x = 581,970,538.92
  5. Step 5: Solve for x
    x = 581,970,538.92/27,764.44
  6. Step 6: Final answer
    x = 20,961.00

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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.