Home / 28,765.23-39,695.62-16,018.06

Finding the Fourth Proportional to 28,765.23, 39,695.62 and 16,018.06

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Solution

The fourth proportional to 28,765.23, 39,695.62 and 16,018.06 is: 22,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.23 : 39,695.62 = 16,018.06 : x
  2. Step 2: Convert to fraction form
    28,765.23/39,695.62 = 16,018.06/x
  3. Step 3: Cross multiply
    28,765.23x = 39,695.62 × 16,018.06
  4. Step 4: Simplify right side
    28,765.23x = 635,846,822.90
  5. Step 5: Solve for x
    x = 635,846,822.90/28,765.23
  6. Step 6: Final answer
    x = 22,104.70

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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.