Home / 27,358.05-41,037.06-21,127.15

Finding the Fourth Proportional to 27,358.05, 41,037.06 and 21,127.15

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Solution

The fourth proportional to 27,358.05, 41,037.06 and 21,127.15 is: 31,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.05 : 41,037.06 = 21,127.15 : x
  2. Step 2: Convert to fraction form
    27,358.05/41,037.06 = 21,127.15/x
  3. Step 3: Cross multiply
    27,358.05x = 41,037.06 × 21,127.15
  4. Step 4: Simplify right side
    27,358.05x = 866,996,122.18
  5. Step 5: Solve for x
    x = 866,996,122.18/27,358.05
  6. Step 6: Final answer
    x = 31,690.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.