Home / 28,571.40-42,863.22-14,533.38

Finding the Fourth Proportional to 28,571.40, 42,863.22 and 14,533.38

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Solution

The fourth proportional to 28,571.40, 42,863.22 and 14,533.38 is: 21,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.40 : 42,863.22 = 14,533.38 : x
  2. Step 2: Convert to fraction form
    28,571.40/42,863.22 = 14,533.38/x
  3. Step 3: Cross multiply
    28,571.40x = 42,863.22 × 14,533.38
  4. Step 4: Simplify right side
    28,571.40x = 622,947,464.28
  5. Step 5: Solve for x
    x = 622,947,464.28/28,571.40
  6. Step 6: Final answer
    x = 21,803.18

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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.