Home / 27,527.10-38,003.16-18,123

Finding the Fourth Proportional to 27,527.10, 38,003.16 and 18,123

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Solution

The fourth proportional to 27,527.10, 38,003.16 and 18,123 is: 25,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,527.10 : 38,003.16 = 18,123 : x
  2. Step 2: Convert to fraction form
    27,527.10/38,003.16 = 18,123/x
  3. Step 3: Cross multiply
    27,527.10x = 38,003.16 × 18,123
  4. Step 4: Simplify right side
    27,527.10x = 688,731,268.68
  5. Step 5: Solve for x
    x = 688,731,268.68/27,527.10
  6. Step 6: Final answer
    x = 25,020.12

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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.