Home / 25,170.71-34,732.78-15,099.57

Finding the Fourth Proportional to 25,170.71, 34,732.78 and 15,099.57

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Solution

The fourth proportional to 25,170.71, 34,732.78 and 15,099.57 is: 20,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.71 : 34,732.78 = 15,099.57 : x
  2. Step 2: Convert to fraction form
    25,170.71/34,732.78 = 15,099.57/x
  3. Step 3: Cross multiply
    25,170.71x = 34,732.78 × 15,099.57
  4. Step 4: Simplify right side
    25,170.71x = 524,450,005.16
  5. Step 5: Solve for x
    x = 524,450,005.16/25,170.71
  6. Step 6: Final answer
    x = 20,835.73

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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.