Home / 28,774.36-39,699.48-16,196.68

Finding the Fourth Proportional to 28,774.36, 39,699.48 and 16,196.68

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Solution

The fourth proportional to 28,774.36, 39,699.48 and 16,196.68 is: 22,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.36 : 39,699.48 = 16,196.68 : x
  2. Step 2: Convert to fraction form
    28,774.36/39,699.48 = 16,196.68/x
  3. Step 3: Cross multiply
    28,774.36x = 39,699.48 × 16,196.68
  4. Step 4: Simplify right side
    28,774.36x = 642,999,773.73
  5. Step 5: Solve for x
    x = 642,999,773.73/28,774.36
  6. Step 6: Final answer
    x = 22,346.28

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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.