Home / 18,188.24-27,282.36-15,715.58

Finding the Fourth Proportional to 18,188.24, 27,282.36 and 15,715.58

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Solution

The fourth proportional to 18,188.24, 27,282.36 and 15,715.58 is: 23,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.24 : 27,282.36 = 15,715.58 : x
  2. Step 2: Convert to fraction form
    18,188.24/27,282.36 = 15,715.58/x
  3. Step 3: Cross multiply
    18,188.24x = 27,282.36 × 15,715.58
  4. Step 4: Simplify right side
    18,188.24x = 428,758,111.17
  5. Step 5: Solve for x
    x = 428,758,111.17/18,188.24
  6. Step 6: Final answer
    x = 23,573.37

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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.