Home / 26,336.25-36,344.57-15,731.91

Finding the Fourth Proportional to 26,336.25, 36,344.57 and 15,731.91

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Solution

The fourth proportional to 26,336.25, 36,344.57 and 15,731.91 is: 21,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,336.25 : 36,344.57 = 15,731.91 : x
  2. Step 2: Convert to fraction form
    26,336.25/36,344.57 = 15,731.91/x
  3. Step 3: Cross multiply
    26,336.25x = 36,344.57 × 15,731.91
  4. Step 4: Simplify right side
    26,336.25x = 571,769,425.57
  5. Step 5: Solve for x
    x = 571,769,425.57/26,336.25
  6. Step 6: Final answer
    x = 21,710.36

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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.