Home / 28,305.63-42,469.97-14,269.70

Finding the Fourth Proportional to 28,305.63, 42,469.97 and 14,269.70

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Solution

The fourth proportional to 28,305.63, 42,469.97 and 14,269.70 is: 21,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.63 : 42,469.97 = 14,269.70 : x
  2. Step 2: Convert to fraction form
    28,305.63/42,469.97 = 14,269.70/x
  3. Step 3: Cross multiply
    28,305.63x = 42,469.97 × 14,269.70
  4. Step 4: Simplify right side
    28,305.63x = 606,033,872.76
  5. Step 5: Solve for x
    x = 606,033,872.76/28,305.63
  6. Step 6: Final answer
    x = 21,410.37

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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.