Home / 21,004.08-31,433.46-17,212.02

Finding the Fourth Proportional to 21,004.08, 31,433.46 and 17,212.02

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Solution

The fourth proportional to 21,004.08, 31,433.46 and 17,212.02 is: 25,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.08 : 31,433.46 = 17,212.02 : x
  2. Step 2: Convert to fraction form
    21,004.08/31,433.46 = 17,212.02/x
  3. Step 3: Cross multiply
    21,004.08x = 31,433.46 × 17,212.02
  4. Step 4: Simplify right side
    21,004.08x = 541,033,342.19
  5. Step 5: Solve for x
    x = 541,033,342.19/21,004.08
  6. Step 6: Final answer
    x = 25,758.49

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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.