Home / 25,550.09-38,328.74-8,907.70

Finding the Fourth Proportional to 25,550.09, 38,328.74 and 8,907.70

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Solution

The fourth proportional to 25,550.09, 38,328.74 and 8,907.70 is: 13,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.09 : 38,328.74 = 8,907.70 : x
  2. Step 2: Convert to fraction form
    25,550.09/38,328.74 = 8,907.70/x
  3. Step 3: Cross multiply
    25,550.09x = 38,328.74 × 8,907.70
  4. Step 4: Simplify right side
    25,550.09x = 341,420,843.75
  5. Step 5: Solve for x
    x = 341,420,843.75/25,550.09
  6. Step 6: Final answer
    x = 13,362.80

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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.