Home / 28,435.74-39,231.18-16,492.56

Finding the Fourth Proportional to 28,435.74, 39,231.18 and 16,492.56

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Solution

The fourth proportional to 28,435.74, 39,231.18 and 16,492.56 is: 22,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.74 : 39,231.18 = 16,492.56 : x
  2. Step 2: Convert to fraction form
    28,435.74/39,231.18 = 16,492.56/x
  3. Step 3: Cross multiply
    28,435.74x = 39,231.18 × 16,492.56
  4. Step 4: Simplify right side
    28,435.74x = 647,022,590.02
  5. Step 5: Solve for x
    x = 647,022,590.02/28,435.74
  6. Step 6: Final answer
    x = 22,753.85

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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.