Home / 38,271.97-52,815.03-21,277.76

Finding the Fourth Proportional to 38,271.97, 52,815.03 and 21,277.76

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Solution

The fourth proportional to 38,271.97, 52,815.03 and 21,277.76 is: 29,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.97 : 52,815.03 = 21,277.76 : x
  2. Step 2: Convert to fraction form
    38,271.97/52,815.03 = 21,277.76/x
  3. Step 3: Cross multiply
    38,271.97x = 52,815.03 × 21,277.76
  4. Step 4: Simplify right side
    38,271.97x = 1,123,785,664.77
  5. Step 5: Solve for x
    x = 1,123,785,664.77/38,271.97
  6. Step 6: Final answer
    x = 29,363.15

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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.