Home / 28,066.34-38,677.96-20,094.72

Finding the Fourth Proportional to 28,066.34, 38,677.96 and 20,094.72

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Solution

The fourth proportional to 28,066.34, 38,677.96 and 20,094.72 is: 27,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066.34 : 38,677.96 = 20,094.72 : x
  2. Step 2: Convert to fraction form
    28,066.34/38,677.96 = 20,094.72/x
  3. Step 3: Cross multiply
    28,066.34x = 38,677.96 × 20,094.72
  4. Step 4: Simplify right side
    28,066.34x = 777,222,776.37
  5. Step 5: Solve for x
    x = 777,222,776.37/28,066.34
  6. Step 6: Final answer
    x = 27,692.35

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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.