Home / 28,224.73-42,331.69-14,180.87

Finding the Fourth Proportional to 28,224.73, 42,331.69 and 14,180.87

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Solution

The fourth proportional to 28,224.73, 42,331.69 and 14,180.87 is: 21,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.73 : 42,331.69 = 14,180.87 : x
  2. Step 2: Convert to fraction form
    28,224.73/42,331.69 = 14,180.87/x
  3. Step 3: Cross multiply
    28,224.73x = 42,331.69 × 14,180.87
  4. Step 4: Simplify right side
    28,224.73x = 600,299,998.84
  5. Step 5: Solve for x
    x = 600,299,998.84/28,224.73
  6. Step 6: Final answer
    x = 21,268.58

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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.