Home / 28,244.94-42,532.60-20,901.22

Finding the Fourth Proportional to 28,244.94, 42,532.60 and 20,901.22

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Solution

The fourth proportional to 28,244.94, 42,532.60 and 20,901.22 is: 31,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.94 : 42,532.60 = 20,901.22 : x
  2. Step 2: Convert to fraction form
    28,244.94/42,532.60 = 20,901.22/x
  3. Step 3: Cross multiply
    28,244.94x = 42,532.60 × 20,901.22
  4. Step 4: Simplify right side
    28,244.94x = 888,983,229.77
  5. Step 5: Solve for x
    x = 888,983,229.77/28,244.94
  6. Step 6: Final answer
    x = 31,474.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.