Home / 27,157.13-37,476.20-15,057.56

Finding the Fourth Proportional to 27,157.13, 37,476.20 and 15,057.56

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Solution

The fourth proportional to 27,157.13, 37,476.20 and 15,057.56 is: 20,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.13 : 37,476.20 = 15,057.56 : x
  2. Step 2: Convert to fraction form
    27,157.13/37,476.20 = 15,057.56/x
  3. Step 3: Cross multiply
    27,157.13x = 37,476.20 × 15,057.56
  4. Step 4: Simplify right side
    27,157.13x = 564,299,923.87
  5. Step 5: Solve for x
    x = 564,299,923.87/27,157.13
  6. Step 6: Final answer
    x = 20,779.07

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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.