Home / 28,414.74-39,214.48-16,477.98

Finding the Fourth Proportional to 28,414.74, 39,214.48 and 16,477.98

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Solution

The fourth proportional to 28,414.74, 39,214.48 and 16,477.98 is: 22,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.74 : 39,214.48 = 16,477.98 : x
  2. Step 2: Convert to fraction form
    28,414.74/39,214.48 = 16,477.98/x
  3. Step 3: Cross multiply
    28,414.74x = 39,214.48 × 16,477.98
  4. Step 4: Simplify right side
    28,414.74x = 646,175,221.08
  5. Step 5: Solve for x
    x = 646,175,221.08/28,414.74
  6. Step 6: Final answer
    x = 22,740.85

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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.