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Finding the Fourth Proportional to 35,868, 53,776.56 and 16,885.68

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Solution

The fourth proportional to 35,868, 53,776.56 and 16,885.68 is: 25,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,868 : 53,776.56 = 16,885.68 : x
  2. Step 2: Convert to fraction form
    35,868/53,776.56 = 16,885.68/x
  3. Step 3: Cross multiply
    35,868x = 53,776.56 × 16,885.68
  4. Step 4: Simplify right side
    35,868x = 908,053,783.66
  5. Step 5: Solve for x
    x = 908,053,783.66/35,868
  6. Step 6: Final answer
    x = 25,316.54

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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.