Home / 28,443.13-42,582.06-16,560.65

Finding the Fourth Proportional to 28,443.13, 42,582.06 and 16,560.65

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Solution

The fourth proportional to 28,443.13, 42,582.06 and 16,560.65 is: 24,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,443.13 : 42,582.06 = 16,560.65 : x
  2. Step 2: Convert to fraction form
    28,443.13/42,582.06 = 16,560.65/x
  3. Step 3: Cross multiply
    28,443.13x = 42,582.06 × 16,560.65
  4. Step 4: Simplify right side
    28,443.13x = 705,186,698.39
  5. Step 5: Solve for x
    x = 705,186,698.39/28,443.13
  6. Step 6: Final answer
    x = 24,792.87

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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.