Home / 28,083.27-38,761.56-16,153.50

Finding the Fourth Proportional to 28,083.27, 38,761.56 and 16,153.50

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Solution

The fourth proportional to 28,083.27, 38,761.56 and 16,153.50 is: 22,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.27 : 38,761.56 = 16,153.50 : x
  2. Step 2: Convert to fraction form
    28,083.27/38,761.56 = 16,153.50/x
  3. Step 3: Cross multiply
    28,083.27x = 38,761.56 × 16,153.50
  4. Step 4: Simplify right side
    28,083.27x = 626,134,859.46
  5. Step 5: Solve for x
    x = 626,134,859.46/28,083.27
  6. Step 6: Final answer
    x = 22,295.65

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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.