Home / 28,229.77-42,346.27-8,506.27

Finding the Fourth Proportional to 28,229.77, 42,346.27 and 8,506.27

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Solution

The fourth proportional to 28,229.77, 42,346.27 and 8,506.27 is: 12,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.77 : 42,346.27 = 8,506.27 : x
  2. Step 2: Convert to fraction form
    28,229.77/42,346.27 = 8,506.27/x
  3. Step 3: Cross multiply
    28,229.77x = 42,346.27 × 8,506.27
  4. Step 4: Simplify right side
    28,229.77x = 360,208,573.12
  5. Step 5: Solve for x
    x = 360,208,573.12/28,229.77
  6. Step 6: Final answer
    x = 12,759.89

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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.