Home / 28,520.54-39,342.54-16,582.56

Finding the Fourth Proportional to 28,520.54, 39,342.54 and 16,582.56

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Solution

The fourth proportional to 28,520.54, 39,342.54 and 16,582.56 is: 22,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520.54 : 39,342.54 = 16,582.56 : x
  2. Step 2: Convert to fraction form
    28,520.54/39,342.54 = 16,582.56/x
  3. Step 3: Cross multiply
    28,520.54x = 39,342.54 × 16,582.56
  4. Step 4: Simplify right side
    28,520.54x = 652,399,944.75
  5. Step 5: Solve for x
    x = 652,399,944.75/28,520.54
  6. Step 6: Final answer
    x = 22,874.74

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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.