Home / 28,073.79-42,085.92-11,447.73

Finding the Fourth Proportional to 28,073.79, 42,085.92 and 11,447.73

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Solution

The fourth proportional to 28,073.79, 42,085.92 and 11,447.73 is: 17,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.79 : 42,085.92 = 11,447.73 : x
  2. Step 2: Convert to fraction form
    28,073.79/42,085.92 = 11,447.73/x
  3. Step 3: Cross multiply
    28,073.79x = 42,085.92 × 11,447.73
  4. Step 4: Simplify right side
    28,073.79x = 481,788,248.96
  5. Step 5: Solve for x
    x = 481,788,248.96/28,073.79
  6. Step 6: Final answer
    x = 17,161.50

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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.