Home / 27,447.42-37,874.40-15,510.73

Finding the Fourth Proportional to 27,447.42, 37,874.40 and 15,510.73

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Solution

The fourth proportional to 27,447.42, 37,874.40 and 15,510.73 is: 21,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,447.42 : 37,874.40 = 15,510.73 : x
  2. Step 2: Convert to fraction form
    27,447.42/37,874.40 = 15,510.73/x
  3. Step 3: Cross multiply
    27,447.42x = 37,874.40 × 15,510.73
  4. Step 4: Simplify right side
    27,447.42x = 587,459,479.03
  5. Step 5: Solve for x
    x = 587,459,479.03/27,447.42
  6. Step 6: Final answer
    x = 21,403.09

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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.