Home / 27,459.78-41,165.01-12,661.14

Finding the Fourth Proportional to 27,459.78, 41,165.01 and 12,661.14

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Solution

The fourth proportional to 27,459.78, 41,165.01 and 12,661.14 is: 18,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.78 : 41,165.01 = 12,661.14 : x
  2. Step 2: Convert to fraction form
    27,459.78/41,165.01 = 12,661.14/x
  3. Step 3: Cross multiply
    27,459.78x = 41,165.01 × 12,661.14
  4. Step 4: Simplify right side
    27,459.78x = 521,195,954.71
  5. Step 5: Solve for x
    x = 521,195,954.71/27,459.78
  6. Step 6: Final answer
    x = 18,980.34

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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.