Home / 27,806.19-38,372.67-15,230.94

Finding the Fourth Proportional to 27,806.19, 38,372.67 and 15,230.94

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Solution

The fourth proportional to 27,806.19, 38,372.67 and 15,230.94 is: 21,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.19 : 38,372.67 = 15,230.94 : x
  2. Step 2: Convert to fraction form
    27,806.19/38,372.67 = 15,230.94/x
  3. Step 3: Cross multiply
    27,806.19x = 38,372.67 × 15,230.94
  4. Step 4: Simplify right side
    27,806.19x = 584,451,834.41
  5. Step 5: Solve for x
    x = 584,451,834.41/27,806.19
  6. Step 6: Final answer
    x = 21,018.77

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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.