Home / 28,188.23-42,280.83-9,468.41

Finding the Fourth Proportional to 28,188.23, 42,280.83 and 9,468.41

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Solution

The fourth proportional to 28,188.23, 42,280.83 and 9,468.41 is: 14,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188.23 : 42,280.83 = 9,468.41 : x
  2. Step 2: Convert to fraction form
    28,188.23/42,280.83 = 9,468.41/x
  3. Step 3: Cross multiply
    28,188.23x = 42,280.83 × 9,468.41
  4. Step 4: Simplify right side
    28,188.23x = 400,332,022.18
  5. Step 5: Solve for x
    x = 400,332,022.18/28,188.23
  6. Step 6: Final answer
    x = 14,202.10

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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.