Home / 28,171.28-42,252.66-9,448.13

Finding the Fourth Proportional to 28,171.28, 42,252.66 and 9,448.13

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Solution

The fourth proportional to 28,171.28, 42,252.66 and 9,448.13 is: 14,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171.28 : 42,252.66 = 9,448.13 : x
  2. Step 2: Convert to fraction form
    28,171.28/42,252.66 = 9,448.13/x
  3. Step 3: Cross multiply
    28,171.28x = 42,252.66 × 9,448.13
  4. Step 4: Simplify right side
    28,171.28x = 399,208,413.26
  5. Step 5: Solve for x
    x = 399,208,413.26/28,171.28
  6. Step 6: Final answer
    x = 14,170.76

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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.