Home / 27,761.43-38,311.77-15,822.84

Finding the Fourth Proportional to 27,761.43, 38,311.77 and 15,822.84

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Solution

The fourth proportional to 27,761.43, 38,311.77 and 15,822.84 is: 21,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.43 : 38,311.77 = 15,822.84 : x
  2. Step 2: Convert to fraction form
    27,761.43/38,311.77 = 15,822.84/x
  3. Step 3: Cross multiply
    27,761.43x = 38,311.77 × 15,822.84
  4. Step 4: Simplify right side
    27,761.43x = 606,200,927.71
  5. Step 5: Solve for x
    x = 606,200,927.71/27,761.43
  6. Step 6: Final answer
    x = 21,836.08

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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.