Home / 28,891.09-43,342.71-16,416.91

Finding the Fourth Proportional to 28,891.09, 43,342.71 and 16,416.91

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Solution

The fourth proportional to 28,891.09, 43,342.71 and 16,416.91 is: 24,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.09 : 43,342.71 = 16,416.91 : x
  2. Step 2: Convert to fraction form
    28,891.09/43,342.71 = 16,416.91/x
  3. Step 3: Cross multiply
    28,891.09x = 43,342.71 × 16,416.91
  4. Step 4: Simplify right side
    28,891.09x = 711,553,369.23
  5. Step 5: Solve for x
    x = 711,553,369.23/28,891.09
  6. Step 6: Final answer
    x = 24,628.82

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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.