Home / 28,086.56-38,752.44-16,153.28

Finding the Fourth Proportional to 28,086.56, 38,752.44 and 16,153.28

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Solution

The fourth proportional to 28,086.56, 38,752.44 and 16,153.28 is: 22,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.56 : 38,752.44 = 16,153.28 : x
  2. Step 2: Convert to fraction form
    28,086.56/38,752.44 = 16,153.28/x
  3. Step 3: Cross multiply
    28,086.56x = 38,752.44 × 16,153.28
  4. Step 4: Simplify right side
    28,086.56x = 625,979,014.00
  5. Step 5: Solve for x
    x = 625,979,014.00/28,086.56
  6. Step 6: Final answer
    x = 22,287.49

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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.