Home / 28,664.76-39,557.22-16,089.54

Finding the Fourth Proportional to 28,664.76, 39,557.22 and 16,089.54

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Solution

The fourth proportional to 28,664.76, 39,557.22 and 16,089.54 is: 22,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.76 : 39,557.22 = 16,089.54 : x
  2. Step 2: Convert to fraction form
    28,664.76/39,557.22 = 16,089.54/x
  3. Step 3: Cross multiply
    28,664.76x = 39,557.22 × 16,089.54
  4. Step 4: Simplify right side
    28,664.76x = 636,457,473.48
  5. Step 5: Solve for x
    x = 636,457,473.48/28,664.76
  6. Step 6: Final answer
    x = 22,203.48

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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.