Home / 31,403.28-43,336.56-17,256.96

Finding the Fourth Proportional to 31,403.28, 43,336.56 and 17,256.96

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Solution

The fourth proportional to 31,403.28, 43,336.56 and 17,256.96 is: 23,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.28 : 43,336.56 = 17,256.96 : x
  2. Step 2: Convert to fraction form
    31,403.28/43,336.56 = 17,256.96/x
  3. Step 3: Cross multiply
    31,403.28x = 43,336.56 × 17,256.96
  4. Step 4: Simplify right side
    31,403.28x = 747,857,282.46
  5. Step 5: Solve for x
    x = 747,857,282.46/31,403.28
  6. Step 6: Final answer
    x = 23,814.62

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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.