Home / 28,840.79-39,800.27-16,265.54

Finding the Fourth Proportional to 28,840.79, 39,800.27 and 16,265.54

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Solution

The fourth proportional to 28,840.79, 39,800.27 and 16,265.54 is: 22,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.79 : 39,800.27 = 16,265.54 : x
  2. Step 2: Convert to fraction form
    28,840.79/39,800.27 = 16,265.54/x
  3. Step 3: Cross multiply
    28,840.79x = 39,800.27 × 16,265.54
  4. Step 4: Simplify right side
    28,840.79x = 647,373,023.86
  5. Step 5: Solve for x
    x = 647,373,023.86/28,840.79
  6. Step 6: Final answer
    x = 22,446.44

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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.