Home / 22,176.72-30,615.84-17,630.46

Finding the Fourth Proportional to 22,176.72, 30,615.84 and 17,630.46

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Solution

The fourth proportional to 22,176.72, 30,615.84 and 17,630.46 is: 24,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.72 : 30,615.84 = 17,630.46 : x
  2. Step 2: Convert to fraction form
    22,176.72/30,615.84 = 17,630.46/x
  3. Step 3: Cross multiply
    22,176.72x = 30,615.84 × 17,630.46
  4. Step 4: Simplify right side
    22,176.72x = 539,771,342.49
  5. Step 5: Solve for x
    x = 539,771,342.49/22,176.72
  6. Step 6: Final answer
    x = 24,339.55

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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.