Home / 18,028.74-27,005.38-14,499.67

Finding the Fourth Proportional to 18,028.74, 27,005.38 and 14,499.67

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Solution

The fourth proportional to 18,028.74, 27,005.38 and 14,499.67 is: 21,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.74 : 27,005.38 = 14,499.67 : x
  2. Step 2: Convert to fraction form
    18,028.74/27,005.38 = 14,499.67/x
  3. Step 3: Cross multiply
    18,028.74x = 27,005.38 × 14,499.67
  4. Step 4: Simplify right side
    18,028.74x = 391,569,098.22
  5. Step 5: Solve for x
    x = 391,569,098.22/18,028.74
  6. Step 6: Final answer
    x = 21,719.16

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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.