Home / 18,400.24-27,573.60-13,938.76

Finding the Fourth Proportional to 18,400.24, 27,573.60 and 13,938.76

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Solution

The fourth proportional to 18,400.24, 27,573.60 and 13,938.76 is: 20,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.24 : 27,573.60 = 13,938.76 : x
  2. Step 2: Convert to fraction form
    18,400.24/27,573.60 = 13,938.76/x
  3. Step 3: Cross multiply
    18,400.24x = 27,573.60 × 13,938.76
  4. Step 4: Simplify right side
    18,400.24x = 384,341,792.74
  5. Step 5: Solve for x
    x = 384,341,792.74/18,400.24
  6. Step 6: Final answer
    x = 20,887.87

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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.