Home / 28,872.52-43,228.86-14,802.20

Finding the Fourth Proportional to 28,872.52, 43,228.86 and 14,802.20

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Solution

The fourth proportional to 28,872.52, 43,228.86 and 14,802.20 is: 22,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.52 : 43,228.86 = 14,802.20 : x
  2. Step 2: Convert to fraction form
    28,872.52/43,228.86 = 14,802.20/x
  3. Step 3: Cross multiply
    28,872.52x = 43,228.86 × 14,802.20
  4. Step 4: Simplify right side
    28,872.52x = 639,882,231.49
  5. Step 5: Solve for x
    x = 639,882,231.49/28,872.52
  6. Step 6: Final answer
    x = 22,162.33

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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.