Home / 28,620.54-39,498.86-16,683.63

Finding the Fourth Proportional to 28,620.54, 39,498.86 and 16,683.63

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Solution

The fourth proportional to 28,620.54, 39,498.86 and 16,683.63 is: 23,024.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.54 : 39,498.86 = 16,683.63 : x
  2. Step 2: Convert to fraction form
    28,620.54/39,498.86 = 16,683.63/x
  3. Step 3: Cross multiply
    28,620.54x = 39,498.86 × 16,683.63
  4. Step 4: Simplify right side
    28,620.54x = 658,984,282.24
  5. Step 5: Solve for x
    x = 658,984,282.24/28,620.54
  6. Step 6: Final answer
    x = 23,024.87

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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.