Home / 18,795.15-28,206.42-15,141.51

Finding the Fourth Proportional to 18,795.15, 28,206.42 and 15,141.51

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Solution

The fourth proportional to 18,795.15, 28,206.42 and 15,141.51 is: 22,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.15 : 28,206.42 = 15,141.51 : x
  2. Step 2: Convert to fraction form
    18,795.15/28,206.42 = 15,141.51/x
  3. Step 3: Cross multiply
    18,795.15x = 28,206.42 × 15,141.51
  4. Step 4: Simplify right side
    18,795.15x = 427,087,790.49
  5. Step 5: Solve for x
    x = 427,087,790.49/18,795.15
  6. Step 6: Final answer
    x = 22,723.30

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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.