Home / 25,454.70-38,172.89-8,810.21

Finding the Fourth Proportional to 25,454.70, 38,172.89 and 8,810.21

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Solution

The fourth proportional to 25,454.70, 38,172.89 and 8,810.21 is: 13,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.70 : 38,172.89 = 8,810.21 : x
  2. Step 2: Convert to fraction form
    25,454.70/38,172.89 = 8,810.21/x
  3. Step 3: Cross multiply
    25,454.70x = 38,172.89 × 8,810.21
  4. Step 4: Simplify right side
    25,454.70x = 336,311,177.21
  5. Step 5: Solve for x
    x = 336,311,177.21/25,454.70
  6. Step 6: Final answer
    x = 13,212.14

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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.