Home / 25,424.35-35,084.67-13,939.21

Finding the Fourth Proportional to 25,424.35, 35,084.67 and 13,939.21

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Solution

The fourth proportional to 25,424.35, 35,084.67 and 13,939.21 is: 19,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.35 : 35,084.67 = 13,939.21 : x
  2. Step 2: Convert to fraction form
    25,424.35/35,084.67 = 13,939.21/x
  3. Step 3: Cross multiply
    25,424.35x = 35,084.67 × 13,939.21
  4. Step 4: Simplify right side
    25,424.35x = 489,052,582.91
  5. Step 5: Solve for x
    x = 489,052,582.91/25,424.35
  6. Step 6: Final answer
    x = 19,235.60

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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.