Home / 25,007.78-34,511.32-14,252.42

Finding the Fourth Proportional to 25,007.78, 34,511.32 and 14,252.42

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Solution

The fourth proportional to 25,007.78, 34,511.32 and 14,252.42 is: 19,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.78 : 34,511.32 = 14,252.42 : x
  2. Step 2: Convert to fraction form
    25,007.78/34,511.32 = 14,252.42/x
  3. Step 3: Cross multiply
    25,007.78x = 34,511.32 × 14,252.42
  4. Step 4: Simplify right side
    25,007.78x = 491,869,827.39
  5. Step 5: Solve for x
    x = 491,869,827.39/25,007.78
  6. Step 6: Final answer
    x = 19,668.67

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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.