Home / 23,037.64-31,789.48-12,965.91

Finding the Fourth Proportional to 23,037.64, 31,789.48 and 12,965.91

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Solution

The fourth proportional to 23,037.64, 31,789.48 and 12,965.91 is: 17,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,037.64 : 31,789.48 = 12,965.91 : x
  2. Step 2: Convert to fraction form
    23,037.64/31,789.48 = 12,965.91/x
  3. Step 3: Cross multiply
    23,037.64x = 31,789.48 × 12,965.91
  4. Step 4: Simplify right side
    23,037.64x = 412,179,536.63
  5. Step 5: Solve for x
    x = 412,179,536.63/23,037.64
  6. Step 6: Final answer
    x = 17,891.57

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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.