Home / 28,023.75-42,035.52-9,305.19

Finding the Fourth Proportional to 28,023.75, 42,035.52 and 9,305.19

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Solution

The fourth proportional to 28,023.75, 42,035.52 and 9,305.19 is: 13,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.75 : 42,035.52 = 9,305.19 : x
  2. Step 2: Convert to fraction form
    28,023.75/42,035.52 = 9,305.19/x
  3. Step 3: Cross multiply
    28,023.75x = 42,035.52 × 9,305.19
  4. Step 4: Simplify right side
    28,023.75x = 391,148,500.35
  5. Step 5: Solve for x
    x = 391,148,500.35/28,023.75
  6. Step 6: Final answer
    x = 13,957.75

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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.