Home / 27,869.49-38,491.85-18,351.93

Finding the Fourth Proportional to 27,869.49, 38,491.85 and 18,351.93

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Solution

The fourth proportional to 27,869.49, 38,491.85 and 18,351.93 is: 25,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,869.49 : 38,491.85 = 18,351.93 : x
  2. Step 2: Convert to fraction form
    27,869.49/38,491.85 = 18,351.93/x
  3. Step 3: Cross multiply
    27,869.49x = 38,491.85 × 18,351.93
  4. Step 4: Simplify right side
    27,869.49x = 706,399,645.01
  5. Step 5: Solve for x
    x = 706,399,645.01/27,869.49
  6. Step 6: Final answer
    x = 25,346.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.