Home / 27,662.04-41,428.08-13,578.12

Finding the Fourth Proportional to 27,662.04, 41,428.08 and 13,578.12

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Solution

The fourth proportional to 27,662.04, 41,428.08 and 13,578.12 is: 20,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.04 : 41,428.08 = 13,578.12 : x
  2. Step 2: Convert to fraction form
    27,662.04/41,428.08 = 13,578.12/x
  3. Step 3: Cross multiply
    27,662.04x = 41,428.08 × 13,578.12
  4. Step 4: Simplify right side
    27,662.04x = 562,515,441.61
  5. Step 5: Solve for x
    x = 562,515,441.61/27,662.04
  6. Step 6: Final answer
    x = 20,335.28

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1.5x scale

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.