Home / 28,934.46-39,922.25-16,995.47

Finding the Fourth Proportional to 28,934.46, 39,922.25 and 16,995.47

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Solution

The fourth proportional to 28,934.46, 39,922.25 and 16,995.47 is: 23,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.46 : 39,922.25 = 16,995.47 : x
  2. Step 2: Convert to fraction form
    28,934.46/39,922.25 = 16,995.47/x
  3. Step 3: Cross multiply
    28,934.46x = 39,922.25 × 16,995.47
  4. Step 4: Simplify right side
    28,934.46x = 678,497,117.62
  5. Step 5: Solve for x
    x = 678,497,117.62/28,934.46
  6. Step 6: Final answer
    x = 23,449.45

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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.