Home / 25,299.89-34,915.27-13,815.87

Finding the Fourth Proportional to 25,299.89, 34,915.27 and 13,815.87

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Solution

The fourth proportional to 25,299.89, 34,915.27 and 13,815.87 is: 19,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.89 : 34,915.27 = 13,815.87 : x
  2. Step 2: Convert to fraction form
    25,299.89/34,915.27 = 13,815.87/x
  3. Step 3: Cross multiply
    25,299.89x = 34,915.27 × 13,815.87
  4. Step 4: Simplify right side
    25,299.89x = 482,384,745.18
  5. Step 5: Solve for x
    x = 482,384,745.18/25,299.89
  6. Step 6: Final answer
    x = 19,066.67

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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.