Home / 27,887.28-41,818.64-13,100.40

Finding the Fourth Proportional to 27,887.28, 41,818.64 and 13,100.40

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Solution

The fourth proportional to 27,887.28, 41,818.64 and 13,100.40 is: 19,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.28 : 41,818.64 = 13,100.40 : x
  2. Step 2: Convert to fraction form
    27,887.28/41,818.64 = 13,100.40/x
  3. Step 3: Cross multiply
    27,887.28x = 41,818.64 × 13,100.40
  4. Step 4: Simplify right side
    27,887.28x = 547,840,911.46
  5. Step 5: Solve for x
    x = 547,840,911.46/27,887.28
  6. Step 6: Final answer
    x = 19,644.83

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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.