Home / 18,669.70-27,975.39-15,884.92

Finding the Fourth Proportional to 18,669.70, 27,975.39 and 15,884.92

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Solution

The fourth proportional to 18,669.70, 27,975.39 and 15,884.92 is: 23,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.70 : 27,975.39 = 15,884.92 : x
  2. Step 2: Convert to fraction form
    18,669.70/27,975.39 = 15,884.92/x
  3. Step 3: Cross multiply
    18,669.70x = 27,975.39 × 15,884.92
  4. Step 4: Simplify right side
    18,669.70x = 444,386,752.69
  5. Step 5: Solve for x
    x = 444,386,752.69/18,669.70
  6. Step 6: Final answer
    x = 23,802.57

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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.