Home / 18,604.83-28,035.15-15,389.94

Finding the Fourth Proportional to 18,604.83, 28,035.15 and 15,389.94

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Solution

The fourth proportional to 18,604.83, 28,035.15 and 15,389.94 is: 23,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.83 : 28,035.15 = 15,389.94 : x
  2. Step 2: Convert to fraction form
    18,604.83/28,035.15 = 15,389.94/x
  3. Step 3: Cross multiply
    18,604.83x = 28,035.15 × 15,389.94
  4. Step 4: Simplify right side
    18,604.83x = 431,459,276.39
  5. Step 5: Solve for x
    x = 431,459,276.39/18,604.83
  6. Step 6: Final answer
    x = 23,190.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.