Home / 27,715.50-41,578.72-14,172.50

Finding the Fourth Proportional to 27,715.50, 41,578.72 and 14,172.50

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Solution

The fourth proportional to 27,715.50, 41,578.72 and 14,172.50 is: 21,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.50 : 41,578.72 = 14,172.50 : x
  2. Step 2: Convert to fraction form
    27,715.50/41,578.72 = 14,172.50/x
  3. Step 3: Cross multiply
    27,715.50x = 41,578.72 × 14,172.50
  4. Step 4: Simplify right side
    27,715.50x = 589,274,477.72
  5. Step 5: Solve for x
    x = 589,274,477.72/27,715.50
  6. Step 6: Final answer
    x = 21,261.55

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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.