Home / 27,383.12-40,966.64-20,738.83

Finding the Fourth Proportional to 27,383.12, 40,966.64 and 20,738.83

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Solution

The fourth proportional to 27,383.12, 40,966.64 and 20,738.83 is: 31,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383.12 : 40,966.64 = 20,738.83 : x
  2. Step 2: Convert to fraction form
    27,383.12/40,966.64 = 20,738.83/x
  3. Step 3: Cross multiply
    27,383.12x = 40,966.64 × 20,738.83
  4. Step 4: Simplify right side
    27,383.12x = 849,599,957.56
  5. Step 5: Solve for x
    x = 849,599,957.56/27,383.12
  6. Step 6: Final answer
    x = 31,026.41

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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.