Home / 28,921.95-43,393.73-11,403.99

Finding the Fourth Proportional to 28,921.95, 43,393.73 and 11,403.99

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Solution

The fourth proportional to 28,921.95, 43,393.73 and 11,403.99 is: 17,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921.95 : 43,393.73 = 11,403.99 : x
  2. Step 2: Convert to fraction form
    28,921.95/43,393.73 = 11,403.99/x
  3. Step 3: Cross multiply
    28,921.95x = 43,393.73 × 11,403.99
  4. Step 4: Simplify right side
    28,921.95x = 494,861,605.96
  5. Step 5: Solve for x
    x = 494,861,605.96/28,921.95
  6. Step 6: Final answer
    x = 17,110.24

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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.