Home / 22,669.53-31,288.43-14,487.90

Finding the Fourth Proportional to 22,669.53, 31,288.43 and 14,487.90

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Solution

The fourth proportional to 22,669.53, 31,288.43 and 14,487.90 is: 19,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.53 : 31,288.43 = 14,487.90 : x
  2. Step 2: Convert to fraction form
    22,669.53/31,288.43 = 14,487.90/x
  3. Step 3: Cross multiply
    22,669.53x = 31,288.43 × 14,487.90
  4. Step 4: Simplify right side
    22,669.53x = 453,303,645.00
  5. Step 5: Solve for x
    x = 453,303,645.00/22,669.53
  6. Step 6: Final answer
    x = 19,996.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.