Home / 27,428.10-41,113.80-14,921.70

Finding the Fourth Proportional to 27,428.10, 41,113.80 and 14,921.70

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Solution

The fourth proportional to 27,428.10, 41,113.80 and 14,921.70 is: 22,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.10 : 41,113.80 = 14,921.70 : x
  2. Step 2: Convert to fraction form
    27,428.10/41,113.80 = 14,921.70/x
  3. Step 3: Cross multiply
    27,428.10x = 41,113.80 × 14,921.70
  4. Step 4: Simplify right side
    27,428.10x = 613,487,789.46
  5. Step 5: Solve for x
    x = 613,487,789.46/27,428.10
  6. Step 6: Final answer
    x = 22,367.13

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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.