Home / 28,241.30-42,359.64-9,520.93

Finding the Fourth Proportional to 28,241.30, 42,359.64 and 9,520.93

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Solution

The fourth proportional to 28,241.30, 42,359.64 and 9,520.93 is: 14,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.30 : 42,359.64 = 9,520.93 : x
  2. Step 2: Convert to fraction form
    28,241.30/42,359.64 = 9,520.93/x
  3. Step 3: Cross multiply
    28,241.30x = 42,359.64 × 9,520.93
  4. Step 4: Simplify right side
    28,241.30x = 403,303,167.27
  5. Step 5: Solve for x
    x = 403,303,167.27/28,241.30
  6. Step 6: Final answer
    x = 14,280.62

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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.