Home / 18,527.31-27,758.61-15,427.26

Finding the Fourth Proportional to 18,527.31, 27,758.61 and 15,427.26

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Solution

The fourth proportional to 18,527.31, 27,758.61 and 15,427.26 is: 23,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.31 : 27,758.61 = 15,427.26 : x
  2. Step 2: Convert to fraction form
    18,527.31/27,758.61 = 15,427.26/x
  3. Step 3: Cross multiply
    18,527.31x = 27,758.61 × 15,427.26
  4. Step 4: Simplify right side
    18,527.31x = 428,239,293.71
  5. Step 5: Solve for x
    x = 428,239,293.71/18,527.31
  6. Step 6: Final answer
    x = 23,113.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.