Home / 38,822.76-53,575.16-21,826.94

Finding the Fourth Proportional to 38,822.76, 53,575.16 and 21,826.94

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Solution

The fourth proportional to 38,822.76, 53,575.16 and 21,826.94 is: 30,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,822.76 : 53,575.16 = 21,826.94 : x
  2. Step 2: Convert to fraction form
    38,822.76/53,575.16 = 21,826.94/x
  3. Step 3: Cross multiply
    38,822.76x = 53,575.16 × 21,826.94
  4. Step 4: Simplify right side
    38,822.76x = 1,169,381,425.80
  5. Step 5: Solve for x
    x = 1,169,381,425.80/38,822.76
  6. Step 6: Final answer
    x = 30,121.03

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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.