Home / 21,262.53-31,887.30-17,092.65

Finding the Fourth Proportional to 21,262.53, 31,887.30 and 17,092.65

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Solution

The fourth proportional to 21,262.53, 31,887.30 and 17,092.65 is: 25,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.53 : 31,887.30 = 17,092.65 : x
  2. Step 2: Convert to fraction form
    21,262.53/31,887.30 = 17,092.65/x
  3. Step 3: Cross multiply
    21,262.53x = 31,887.30 × 17,092.65
  4. Step 4: Simplify right side
    21,262.53x = 545,038,458.35
  5. Step 5: Solve for x
    x = 545,038,458.35/21,262.53
  6. Step 6: Final answer
    x = 25,633.75

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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.