Home / 27,900.44-38,502.60-15,325.19

Finding the Fourth Proportional to 27,900.44, 38,502.60 and 15,325.19

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Solution

The fourth proportional to 27,900.44, 38,502.60 and 15,325.19 is: 21,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.44 : 38,502.60 = 15,325.19 : x
  2. Step 2: Convert to fraction form
    27,900.44/38,502.60 = 15,325.19/x
  3. Step 3: Cross multiply
    27,900.44x = 38,502.60 × 15,325.19
  4. Step 4: Simplify right side
    27,900.44x = 590,059,660.49
  5. Step 5: Solve for x
    x = 590,059,660.49/27,900.44
  6. Step 6: Final answer
    x = 21,148.76

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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.