Home / 21,056.43-31,584.78-14,462.61

Finding the Fourth Proportional to 21,056.43, 31,584.78 and 14,462.61

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Solution

The fourth proportional to 21,056.43, 31,584.78 and 14,462.61 is: 21,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.43 : 31,584.78 = 14,462.61 : x
  2. Step 2: Convert to fraction form
    21,056.43/31,584.78 = 14,462.61/x
  3. Step 3: Cross multiply
    21,056.43x = 31,584.78 × 14,462.61
  4. Step 4: Simplify right side
    21,056.43x = 456,798,355.08
  5. Step 5: Solve for x
    x = 456,798,355.08/21,056.43
  6. Step 6: Final answer
    x = 21,694.01

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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.