Home / 26,615.38-39,838.83-16,720.42

Finding the Fourth Proportional to 26,615.38, 39,838.83 and 16,720.42

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Solution

The fourth proportional to 26,615.38, 39,838.83 and 16,720.42 is: 25,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.38 : 39,838.83 = 16,720.42 : x
  2. Step 2: Convert to fraction form
    26,615.38/39,838.83 = 16,720.42/x
  3. Step 3: Cross multiply
    26,615.38x = 39,838.83 × 16,720.42
  4. Step 4: Simplify right side
    26,615.38x = 666,121,969.91
  5. Step 5: Solve for x
    x = 666,121,969.91/26,615.38
  6. Step 6: Final answer
    x = 25,027.71

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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.