Home / 22,439.64-33,703.20-18,282.72

Finding the Fourth Proportional to 22,439.64, 33,703.20 and 18,282.72

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Solution

The fourth proportional to 22,439.64, 33,703.20 and 18,282.72 is: 27,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.64 : 33,703.20 = 18,282.72 : x
  2. Step 2: Convert to fraction form
    22,439.64/33,703.20 = 18,282.72/x
  3. Step 3: Cross multiply
    22,439.64x = 33,703.20 × 18,282.72
  4. Step 4: Simplify right side
    22,439.64x = 616,186,168.70
  5. Step 5: Solve for x
    x = 616,186,168.70/22,439.64
  6. Step 6: Final answer
    x = 27,459.72

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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.