Home / 22,918.31-31,617.25-16,209.69

Finding the Fourth Proportional to 22,918.31, 31,617.25 and 16,209.69

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Solution

The fourth proportional to 22,918.31, 31,617.25 and 16,209.69 is: 22,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.31 : 31,617.25 = 16,209.69 : x
  2. Step 2: Convert to fraction form
    22,918.31/31,617.25 = 16,209.69/x
  3. Step 3: Cross multiply
    22,918.31x = 31,617.25 × 16,209.69
  4. Step 4: Simplify right side
    22,918.31x = 512,505,780.63
  5. Step 5: Solve for x
    x = 512,505,780.63/22,918.31
  6. Step 6: Final answer
    x = 22,362.28

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1.5x scale

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.