Home / 43,872.90-65,814.78-14,282.82

Finding the Fourth Proportional to 43,872.90, 65,814.78 and 14,282.82

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Solution

The fourth proportional to 43,872.90, 65,814.78 and 14,282.82 is: 21,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,872.90 : 65,814.78 = 14,282.82 : x
  2. Step 2: Convert to fraction form
    43,872.90/65,814.78 = 14,282.82/x
  3. Step 3: Cross multiply
    43,872.90x = 65,814.78 × 14,282.82
  4. Step 4: Simplify right side
    43,872.90x = 940,020,656.08
  5. Step 5: Solve for x
    x = 940,020,656.08/43,872.90
  6. Step 6: Final answer
    x = 21,426.00

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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.