Home / 28,181.85-42,277.65-9,463.70

Finding the Fourth Proportional to 28,181.85, 42,277.65 and 9,463.70

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Solution

The fourth proportional to 28,181.85, 42,277.65 and 9,463.70 is: 14,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.85 : 42,277.65 = 9,463.70 : x
  2. Step 2: Convert to fraction form
    28,181.85/42,277.65 = 9,463.70/x
  3. Step 3: Cross multiply
    28,181.85x = 42,277.65 × 9,463.70
  4. Step 4: Simplify right side
    28,181.85x = 400,102,784.92
  5. Step 5: Solve for x
    x = 400,102,784.92/28,181.85
  6. Step 6: Final answer
    x = 14,197.18

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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.