Home / 27,518.68-41,239.12-13,677.40

Finding the Fourth Proportional to 27,518.68, 41,239.12 and 13,677.40

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Solution

The fourth proportional to 27,518.68, 41,239.12 and 13,677.40 is: 20,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.68 : 41,239.12 = 13,677.40 : x
  2. Step 2: Convert to fraction form
    27,518.68/41,239.12 = 13,677.40/x
  3. Step 3: Cross multiply
    27,518.68x = 41,239.12 × 13,677.40
  4. Step 4: Simplify right side
    27,518.68x = 564,043,939.89
  5. Step 5: Solve for x
    x = 564,043,939.89/27,518.68
  6. Step 6: Final answer
    x = 20,496.77

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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.