Home / 25,954.14-38,924.73-8,428.98

Finding the Fourth Proportional to 25,954.14, 38,924.73 and 8,428.98

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Solution

The fourth proportional to 25,954.14, 38,924.73 and 8,428.98 is: 12,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.14 : 38,924.73 = 8,428.98 : x
  2. Step 2: Convert to fraction form
    25,954.14/38,924.73 = 8,428.98/x
  3. Step 3: Cross multiply
    25,954.14x = 38,924.73 × 8,428.98
  4. Step 4: Simplify right side
    25,954.14x = 328,095,770.68
  5. Step 5: Solve for x
    x = 328,095,770.68/25,954.14
  6. Step 6: Final answer
    x = 12,641.37

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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.