Home / 25,245.51-34,839-13,915.41

Finding the Fourth Proportional to 25,245.51, 34,839 and 13,915.41

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Solution

The fourth proportional to 25,245.51, 34,839 and 13,915.41 is: 19,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.51 : 34,839 = 13,915.41 : x
  2. Step 2: Convert to fraction form
    25,245.51/34,839 = 13,915.41/x
  3. Step 3: Cross multiply
    25,245.51x = 34,839 × 13,915.41
  4. Step 4: Simplify right side
    25,245.51x = 484,798,968.99
  5. Step 5: Solve for x
    x = 484,798,968.99/25,245.51
  6. Step 6: Final answer
    x = 19,203.37

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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.