Home / 27,752.62-38,298.54-15,815.98

Finding the Fourth Proportional to 27,752.62, 38,298.54 and 15,815.98

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Solution

The fourth proportional to 27,752.62, 38,298.54 and 15,815.98 is: 21,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.62 : 38,298.54 = 15,815.98 : x
  2. Step 2: Convert to fraction form
    27,752.62/38,298.54 = 15,815.98/x
  3. Step 3: Cross multiply
    27,752.62x = 38,298.54 × 15,815.98
  4. Step 4: Simplify right side
    27,752.62x = 605,728,942.67
  5. Step 5: Solve for x
    x = 605,728,942.67/27,752.62
  6. Step 6: Final answer
    x = 21,826.01

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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.