Home / 28,525.11-42,769.44-13,704.54

Finding the Fourth Proportional to 28,525.11, 42,769.44 and 13,704.54

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Solution

The fourth proportional to 28,525.11, 42,769.44 and 13,704.54 is: 20,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.11 : 42,769.44 = 13,704.54 : x
  2. Step 2: Convert to fraction form
    28,525.11/42,769.44 = 13,704.54/x
  3. Step 3: Cross multiply
    28,525.11x = 42,769.44 × 13,704.54
  4. Step 4: Simplify right side
    28,525.11x = 586,135,501.26
  5. Step 5: Solve for x
    x = 586,135,501.26/28,525.11
  6. Step 6: Final answer
    x = 20,548.05

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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.