Home / 28,374.65-39,155.61-16,441.83

Finding the Fourth Proportional to 28,374.65, 39,155.61 and 16,441.83

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Solution

The fourth proportional to 28,374.65, 39,155.61 and 16,441.83 is: 22,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374.65 : 39,155.61 = 16,441.83 : x
  2. Step 2: Convert to fraction form
    28,374.65/39,155.61 = 16,441.83/x
  3. Step 3: Cross multiply
    28,374.65x = 39,155.61 × 16,441.83
  4. Step 4: Simplify right side
    28,374.65x = 643,789,944.82
  5. Step 5: Solve for x
    x = 643,789,944.82/28,374.65
  6. Step 6: Final answer
    x = 22,688.91

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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.