Home / 27,834.10-38,411.37-15,899.02

Finding the Fourth Proportional to 27,834.10, 38,411.37 and 15,899.02

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Solution

The fourth proportional to 27,834.10, 38,411.37 and 15,899.02 is: 21,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.10 : 38,411.37 = 15,899.02 : x
  2. Step 2: Convert to fraction form
    27,834.10/38,411.37 = 15,899.02/x
  3. Step 3: Cross multiply
    27,834.10x = 38,411.37 × 15,899.02
  4. Step 4: Simplify right side
    27,834.10x = 610,703,139.86
  5. Step 5: Solve for x
    x = 610,703,139.86/27,834.10
  6. Step 6: Final answer
    x = 21,940.83

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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.