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Finding the Fourth Proportional to 56,157.60, 84,200.40 and 26,536.80

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Solution

The fourth proportional to 56,157.60, 84,200.40 and 26,536.80 is: 39,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.60 : 84,200.40 = 26,536.80 : x
  2. Step 2: Convert to fraction form
    56,157.60/84,200.40 = 26,536.80/x
  3. Step 3: Cross multiply
    56,157.60x = 84,200.40 × 26,536.80
  4. Step 4: Simplify right side
    56,157.60x = 2,234,409,174.72
  5. Step 5: Solve for x
    x = 2,234,409,174.72/56,157.60
  6. Step 6: Final answer
    x = 39,788.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.