Home / 31,402.84-43,336.26-17,255.68

Finding the Fourth Proportional to 31,402.84, 43,336.26 and 17,255.68

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Solution

The fourth proportional to 31,402.84, 43,336.26 and 17,255.68 is: 23,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.84 : 43,336.26 = 17,255.68 : x
  2. Step 2: Convert to fraction form
    31,402.84/43,336.26 = 17,255.68/x
  3. Step 3: Cross multiply
    31,402.84x = 43,336.26 × 17,255.68
  4. Step 4: Simplify right side
    31,402.84x = 747,796,591.82
  5. Step 5: Solve for x
    x = 747,796,591.82/31,402.84
  6. Step 6: Final answer
    x = 23,813.03

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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.