Home / 28,733.99-39,648.62-16,156.31

Finding the Fourth Proportional to 28,733.99, 39,648.62 and 16,156.31

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Solution

The fourth proportional to 28,733.99, 39,648.62 and 16,156.31 is: 22,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.99 : 39,648.62 = 16,156.31 : x
  2. Step 2: Convert to fraction form
    28,733.99/39,648.62 = 16,156.31/x
  3. Step 3: Cross multiply
    28,733.99x = 39,648.62 × 16,156.31
  4. Step 4: Simplify right side
    28,733.99x = 640,575,116.77
  5. Step 5: Solve for x
    x = 640,575,116.77/28,733.99
  6. Step 6: Final answer
    x = 22,293.29

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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.