Home / 27,715.58-41,567.28-7,989.85

Finding the Fourth Proportional to 27,715.58, 41,567.28 and 7,989.85

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Solution

The fourth proportional to 27,715.58, 41,567.28 and 7,989.85 is: 11,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.58 : 41,567.28 = 7,989.85 : x
  2. Step 2: Convert to fraction form
    27,715.58/41,567.28 = 7,989.85/x
  3. Step 3: Cross multiply
    27,715.58x = 41,567.28 × 7,989.85
  4. Step 4: Simplify right side
    27,715.58x = 332,116,332.11
  5. Step 5: Solve for x
    x = 332,116,332.11/27,715.58
  6. Step 6: Final answer
    x = 11,983.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.