Home / 27,745.04-38,288.50-15,808.62

Finding the Fourth Proportional to 27,745.04, 38,288.50 and 15,808.62

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Solution

The fourth proportional to 27,745.04, 38,288.50 and 15,808.62 is: 21,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745.04 : 38,288.50 = 15,808.62 : x
  2. Step 2: Convert to fraction form
    27,745.04/38,288.50 = 15,808.62/x
  3. Step 3: Cross multiply
    27,745.04x = 38,288.50 × 15,808.62
  4. Step 4: Simplify right side
    27,745.04x = 605,288,346.87
  5. Step 5: Solve for x
    x = 605,288,346.87/27,745.04
  6. Step 6: Final answer
    x = 21,816.09

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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.