Home / 28,645.74-42,993.21-16,178.01

Finding the Fourth Proportional to 28,645.74, 42,993.21 and 16,178.01

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Solution

The fourth proportional to 28,645.74, 42,993.21 and 16,178.01 is: 24,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.74 : 42,993.21 = 16,178.01 : x
  2. Step 2: Convert to fraction form
    28,645.74/42,993.21 = 16,178.01/x
  3. Step 3: Cross multiply
    28,645.74x = 42,993.21 × 16,178.01
  4. Step 4: Simplify right side
    28,645.74x = 695,544,581.31
  5. Step 5: Solve for x
    x = 695,544,581.31/28,645.74
  6. Step 6: Final answer
    x = 24,280.91

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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.