Home / 25,915.09-38,888.43-10,331.50

Finding the Fourth Proportional to 25,915.09, 38,888.43 and 10,331.50

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Solution

The fourth proportional to 25,915.09, 38,888.43 and 10,331.50 is: 15,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.09 : 38,888.43 = 10,331.50 : x
  2. Step 2: Convert to fraction form
    25,915.09/38,888.43 = 10,331.50/x
  3. Step 3: Cross multiply
    25,915.09x = 38,888.43 × 10,331.50
  4. Step 4: Simplify right side
    25,915.09x = 401,775,814.55
  5. Step 5: Solve for x
    x = 401,775,814.55/25,915.09
  6. Step 6: Final answer
    x = 15,503.55

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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.