Home / 25,328.79-34,954.20-13,998.96

Finding the Fourth Proportional to 25,328.79, 34,954.20 and 13,998.96

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Solution

The fourth proportional to 25,328.79, 34,954.20 and 13,998.96 is: 19,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,328.79 : 34,954.20 = 13,998.96 : x
  2. Step 2: Convert to fraction form
    25,328.79/34,954.20 = 13,998.96/x
  3. Step 3: Cross multiply
    25,328.79x = 34,954.20 × 13,998.96
  4. Step 4: Simplify right side
    25,328.79x = 489,322,447.63
  5. Step 5: Solve for x
    x = 489,322,447.63/25,328.79
  6. Step 6: Final answer
    x = 19,318.82

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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.