Home / 28,268.57-42,402.86-9,548.66

Finding the Fourth Proportional to 28,268.57, 42,402.86 and 9,548.66

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Solution

The fourth proportional to 28,268.57, 42,402.86 and 9,548.66 is: 14,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.57 : 42,402.86 = 9,548.66 : x
  2. Step 2: Convert to fraction form
    28,268.57/42,402.86 = 9,548.66/x
  3. Step 3: Cross multiply
    28,268.57x = 42,402.86 × 9,548.66
  4. Step 4: Simplify right side
    28,268.57x = 404,890,493.17
  5. Step 5: Solve for x
    x = 404,890,493.17/28,268.57
  6. Step 6: Final answer
    x = 14,322.99

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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.