Home / 20,037.84-27,634.68-12,957.36

Finding the Fourth Proportional to 20,037.84, 27,634.68 and 12,957.36

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Solution

The fourth proportional to 20,037.84, 27,634.68 and 12,957.36 is: 17,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.84 : 27,634.68 = 12,957.36 : x
  2. Step 2: Convert to fraction form
    20,037.84/27,634.68 = 12,957.36/x
  3. Step 3: Cross multiply
    20,037.84x = 27,634.68 × 12,957.36
  4. Step 4: Simplify right side
    20,037.84x = 358,072,497.24
  5. Step 5: Solve for x
    x = 358,072,497.24/20,037.84
  6. Step 6: Final answer
    x = 17,869.82

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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.