Home / 28,924.34-43,392.87-12,298.61

Finding the Fourth Proportional to 28,924.34, 43,392.87 and 12,298.61

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Solution

The fourth proportional to 28,924.34, 43,392.87 and 12,298.61 is: 18,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.34 : 43,392.87 = 12,298.61 : x
  2. Step 2: Convert to fraction form
    28,924.34/43,392.87 = 12,298.61/x
  3. Step 3: Cross multiply
    28,924.34x = 43,392.87 × 12,298.61
  4. Step 4: Simplify right side
    28,924.34x = 533,671,767.95
  5. Step 5: Solve for x
    x = 533,671,767.95/28,924.34
  6. Step 6: Final answer
    x = 18,450.61

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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.