Home / 28,895.69-43,352.39-25,915.30

Finding the Fourth Proportional to 28,895.69, 43,352.39 and 25,915.30

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Solution

The fourth proportional to 28,895.69, 43,352.39 and 25,915.30 is: 38,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.69 : 43,352.39 = 25,915.30 : x
  2. Step 2: Convert to fraction form
    28,895.69/43,352.39 = 25,915.30/x
  3. Step 3: Cross multiply
    28,895.69x = 43,352.39 × 25,915.30
  4. Step 4: Simplify right side
    28,895.69x = 1,123,490,148.97
  5. Step 5: Solve for x
    x = 1,123,490,148.97/28,895.69
  6. Step 6: Final answer
    x = 38,880.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.