Home / 22,224.32-30,651.84-18,878.21

Finding the Fourth Proportional to 22,224.32, 30,651.84 and 18,878.21

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Solution

The fourth proportional to 22,224.32, 30,651.84 and 18,878.21 is: 26,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.32 : 30,651.84 = 18,878.21 : x
  2. Step 2: Convert to fraction form
    22,224.32/30,651.84 = 18,878.21/x
  3. Step 3: Cross multiply
    22,224.32x = 30,651.84 × 18,878.21
  4. Step 4: Simplify right side
    22,224.32x = 578,651,719.15
  5. Step 5: Solve for x
    x = 578,651,719.15/22,224.32
  6. Step 6: Final answer
    x = 26,036.88

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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.