Home / 27,330.42-37,719.60-15,396.12

Finding the Fourth Proportional to 27,330.42, 37,719.60 and 15,396.12

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Solution

The fourth proportional to 27,330.42, 37,719.60 and 15,396.12 is: 21,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.42 : 37,719.60 = 15,396.12 : x
  2. Step 2: Convert to fraction form
    27,330.42/37,719.60 = 15,396.12/x
  3. Step 3: Cross multiply
    27,330.42x = 37,719.60 × 15,396.12
  4. Step 4: Simplify right side
    27,330.42x = 580,735,487.95
  5. Step 5: Solve for x
    x = 580,735,487.95/27,330.42
  6. Step 6: Final answer
    x = 21,248.69

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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.