Home / 28,109.77-38,792.90-16,010.48

Finding the Fourth Proportional to 28,109.77, 38,792.90 and 16,010.48

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Solution

The fourth proportional to 28,109.77, 38,792.90 and 16,010.48 is: 22,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,109.77 : 38,792.90 = 16,010.48 : x
  2. Step 2: Convert to fraction form
    28,109.77/38,792.90 = 16,010.48/x
  3. Step 3: Cross multiply
    28,109.77x = 38,792.90 × 16,010.48
  4. Step 4: Simplify right side
    28,109.77x = 621,093,086.60
  5. Step 5: Solve for x
    x = 621,093,086.60/28,109.77
  6. Step 6: Final answer
    x = 22,095.28

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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.