Home / 28,933.22-39,927.85-16,357.86

Finding the Fourth Proportional to 28,933.22, 39,927.85 and 16,357.86

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Solution

The fourth proportional to 28,933.22, 39,927.85 and 16,357.86 is: 22,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.22 : 39,927.85 = 16,357.86 : x
  2. Step 2: Convert to fraction form
    28,933.22/39,927.85 = 16,357.86/x
  3. Step 3: Cross multiply
    28,933.22x = 39,927.85 × 16,357.86
  4. Step 4: Simplify right side
    28,933.22x = 653,134,180.40
  5. Step 5: Solve for x
    x = 653,134,180.40/28,933.22
  6. Step 6: Final answer
    x = 22,573.85

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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.