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Finding the Fourth Proportional to 55,467.60, 83,154.60 and 25,869.84

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Solution

The fourth proportional to 55,467.60, 83,154.60 and 25,869.84 is: 38,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,467.60 : 83,154.60 = 25,869.84 : x
  2. Step 2: Convert to fraction form
    55,467.60/83,154.60 = 25,869.84/x
  3. Step 3: Cross multiply
    55,467.60x = 83,154.60 × 25,869.84
  4. Step 4: Simplify right side
    55,467.60x = 2,151,196,197.26
  5. Step 5: Solve for x
    x = 2,151,196,197.26/55,467.60
  6. Step 6: Final answer
    x = 38,782.93

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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.