Home / 28,559.54-42,840.91-8,836.56

Finding the Fourth Proportional to 28,559.54, 42,840.91 and 8,836.56

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Solution

The fourth proportional to 28,559.54, 42,840.91 and 8,836.56 is: 13,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.54 : 42,840.91 = 8,836.56 : x
  2. Step 2: Convert to fraction form
    28,559.54/42,840.91 = 8,836.56/x
  3. Step 3: Cross multiply
    28,559.54x = 42,840.91 × 8,836.56
  4. Step 4: Simplify right side
    28,559.54x = 378,566,233.01
  5. Step 5: Solve for x
    x = 378,566,233.01/28,559.54
  6. Step 6: Final answer
    x = 13,255.33

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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.