Home / 28,872.36-43,305.68-19,572.12

Finding the Fourth Proportional to 28,872.36, 43,305.68 and 19,572.12

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Solution

The fourth proportional to 28,872.36, 43,305.68 and 19,572.12 is: 29,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.36 : 43,305.68 = 19,572.12 : x
  2. Step 2: Convert to fraction form
    28,872.36/43,305.68 = 19,572.12/x
  3. Step 3: Cross multiply
    28,872.36x = 43,305.68 × 19,572.12
  4. Step 4: Simplify right side
    28,872.36x = 847,583,965.64
  5. Step 5: Solve for x
    x = 847,583,965.64/28,872.36
  6. Step 6: Final answer
    x = 29,356.24

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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.