Home / 28,294.64-39,046.52-15,548.66

Finding the Fourth Proportional to 28,294.64, 39,046.52 and 15,548.66

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Solution

The fourth proportional to 28,294.64, 39,046.52 and 15,548.66 is: 21,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.64 : 39,046.52 = 15,548.66 : x
  2. Step 2: Convert to fraction form
    28,294.64/39,046.52 = 15,548.66/x
  3. Step 3: Cross multiply
    28,294.64x = 39,046.52 × 15,548.66
  4. Step 4: Simplify right side
    28,294.64x = 607,121,063.66
  5. Step 5: Solve for x
    x = 607,121,063.66/28,294.64
  6. Step 6: Final answer
    x = 21,457.11

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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.