Home / 28,293.82-42,419.76-14,243.56

Finding the Fourth Proportional to 28,293.82, 42,419.76 and 14,243.56

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Solution

The fourth proportional to 28,293.82, 42,419.76 and 14,243.56 is: 21,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.82 : 42,419.76 = 14,243.56 : x
  2. Step 2: Convert to fraction form
    28,293.82/42,419.76 = 14,243.56/x
  3. Step 3: Cross multiply
    28,293.82x = 42,419.76 × 14,243.56
  4. Step 4: Simplify right side
    28,293.82x = 604,208,396.75
  5. Step 5: Solve for x
    x = 604,208,396.75/28,293.82
  6. Step 6: Final answer
    x = 21,354.78

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1.5x scale

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.