Home / 28,003.96-38,646.34-16,069.48

Finding the Fourth Proportional to 28,003.96, 38,646.34 and 16,069.48

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Solution

The fourth proportional to 28,003.96, 38,646.34 and 16,069.48 is: 22,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.96 : 38,646.34 = 16,069.48 : x
  2. Step 2: Convert to fraction form
    28,003.96/38,646.34 = 16,069.48/x
  3. Step 3: Cross multiply
    28,003.96x = 38,646.34 × 16,069.48
  4. Step 4: Simplify right side
    28,003.96x = 621,026,587.70
  5. Step 5: Solve for x
    x = 621,026,587.70/28,003.96
  6. Step 6: Final answer
    x = 22,176.38

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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.