Home / 27,709.44-38,238.96-15,134.16

Finding the Fourth Proportional to 27,709.44, 38,238.96 and 15,134.16

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Solution

The fourth proportional to 27,709.44, 38,238.96 and 15,134.16 is: 20,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709.44 : 38,238.96 = 15,134.16 : x
  2. Step 2: Convert to fraction form
    27,709.44/38,238.96 = 15,134.16/x
  3. Step 3: Cross multiply
    27,709.44x = 38,238.96 × 15,134.16
  4. Step 4: Simplify right side
    27,709.44x = 578,714,538.87
  5. Step 5: Solve for x
    x = 578,714,538.87/27,709.44
  6. Step 6: Final answer
    x = 20,885.10

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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.