Home / 28,738.34-39,658.65-16,162.82

Finding the Fourth Proportional to 28,738.34, 39,658.65 and 16,162.82

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Solution

The fourth proportional to 28,738.34, 39,658.65 and 16,162.82 is: 22,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.34 : 39,658.65 = 16,162.82 : x
  2. Step 2: Convert to fraction form
    28,738.34/39,658.65 = 16,162.82/x
  3. Step 3: Cross multiply
    28,738.34x = 39,658.65 × 16,162.82
  4. Step 4: Simplify right side
    28,738.34x = 640,995,621.39
  5. Step 5: Solve for x
    x = 640,995,621.39/28,738.34
  6. Step 6: Final answer
    x = 22,304.55

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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.