Home / 27,860.92-38,448.12-15,285.76

Finding the Fourth Proportional to 27,860.92, 38,448.12 and 15,285.76

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Solution

The fourth proportional to 27,860.92, 38,448.12 and 15,285.76 is: 21,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.92 : 38,448.12 = 15,285.76 : x
  2. Step 2: Convert to fraction form
    27,860.92/38,448.12 = 15,285.76/x
  3. Step 3: Cross multiply
    27,860.92x = 38,448.12 × 15,285.76
  4. Step 4: Simplify right side
    27,860.92x = 587,708,734.77
  5. Step 5: Solve for x
    x = 587,708,734.77/27,860.92
  6. Step 6: Final answer
    x = 21,094.38

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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.