Home / 28,551.57-39,400.96-16,447.63

Finding the Fourth Proportional to 28,551.57, 39,400.96 and 16,447.63

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Solution

The fourth proportional to 28,551.57, 39,400.96 and 16,447.63 is: 22,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551.57 : 39,400.96 = 16,447.63 : x
  2. Step 2: Convert to fraction form
    28,551.57/39,400.96 = 16,447.63/x
  3. Step 3: Cross multiply
    28,551.57x = 39,400.96 × 16,447.63
  4. Step 4: Simplify right side
    28,551.57x = 648,052,411.72
  5. Step 5: Solve for x
    x = 648,052,411.72/28,551.57
  6. Step 6: Final answer
    x = 22,697.61

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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.