Home / 27,828.12-38,402.85-16,340.82

Finding the Fourth Proportional to 27,828.12, 38,402.85 and 16,340.82

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Solution

The fourth proportional to 27,828.12, 38,402.85 and 16,340.82 is: 22,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.12 : 38,402.85 = 16,340.82 : x
  2. Step 2: Convert to fraction form
    27,828.12/38,402.85 = 16,340.82/x
  3. Step 3: Cross multiply
    27,828.12x = 38,402.85 × 16,340.82
  4. Step 4: Simplify right side
    27,828.12x = 627,534,059.34
  5. Step 5: Solve for x
    x = 627,534,059.34/27,828.12
  6. Step 6: Final answer
    x = 22,550.36

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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.