Home / 28,697.22-39,600.54-16,761.06

Finding the Fourth Proportional to 28,697.22, 39,600.54 and 16,761.06

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Solution

The fourth proportional to 28,697.22, 39,600.54 and 16,761.06 is: 23,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.22 : 39,600.54 = 16,761.06 : x
  2. Step 2: Convert to fraction form
    28,697.22/39,600.54 = 16,761.06/x
  3. Step 3: Cross multiply
    28,697.22x = 39,600.54 × 16,761.06
  4. Step 4: Simplify right side
    28,697.22x = 663,747,026.97
  5. Step 5: Solve for x
    x = 663,747,026.97/28,697.22
  6. Step 6: Final answer
    x = 23,129.31

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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.