Home / 22,126.64-30,517.98-15,412.28

Finding the Fourth Proportional to 22,126.64, 30,517.98 and 15,412.28

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Solution

The fourth proportional to 22,126.64, 30,517.98 and 15,412.28 is: 21,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.64 : 30,517.98 = 15,412.28 : x
  2. Step 2: Convert to fraction form
    22,126.64/30,517.98 = 15,412.28/x
  3. Step 3: Cross multiply
    22,126.64x = 30,517.98 × 15,412.28
  4. Step 4: Simplify right side
    22,126.64x = 470,351,652.79
  5. Step 5: Solve for x
    x = 470,351,652.79/22,126.64
  6. Step 6: Final answer
    x = 21,257.26

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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.