Home / 28,025.76-38,635.32-22,047.06

Finding the Fourth Proportional to 28,025.76, 38,635.32 and 22,047.06

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Solution

The fourth proportional to 28,025.76, 38,635.32 and 22,047.06 is: 30,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.76 : 38,635.32 = 22,047.06 : x
  2. Step 2: Convert to fraction form
    28,025.76/38,635.32 = 22,047.06/x
  3. Step 3: Cross multiply
    28,025.76x = 38,635.32 × 22,047.06
  4. Step 4: Simplify right side
    28,025.76x = 851,795,218.16
  5. Step 5: Solve for x
    x = 851,795,218.16/28,025.76
  6. Step 6: Final answer
    x = 30,393.30

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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.