Home / 28,441.16-39,248.18-16,505.56

Finding the Fourth Proportional to 28,441.16, 39,248.18 and 16,505.56

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Solution

The fourth proportional to 28,441.16, 39,248.18 and 16,505.56 is: 22,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.16 : 39,248.18 = 16,505.56 : x
  2. Step 2: Convert to fraction form
    28,441.16/39,248.18 = 16,505.56/x
  3. Step 3: Cross multiply
    28,441.16x = 39,248.18 × 16,505.56
  4. Step 4: Simplify right side
    28,441.16x = 647,813,189.88
  5. Step 5: Solve for x
    x = 647,813,189.88/28,441.16
  6. Step 6: Final answer
    x = 22,777.31

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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.