Home / 21,935.16-30,274.20-17,255.16

Finding the Fourth Proportional to 21,935.16, 30,274.20 and 17,255.16

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Solution

The fourth proportional to 21,935.16, 30,274.20 and 17,255.16 is: 23,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.16 : 30,274.20 = 17,255.16 : x
  2. Step 2: Convert to fraction form
    21,935.16/30,274.20 = 17,255.16/x
  3. Step 3: Cross multiply
    21,935.16x = 30,274.20 × 17,255.16
  4. Step 4: Simplify right side
    21,935.16x = 522,386,164.87
  5. Step 5: Solve for x
    x = 522,386,164.87/21,935.16
  6. Step 6: Final answer
    x = 23,815.02

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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.