Home / 25,323.76-37,990.23-12,680.11

Finding the Fourth Proportional to 25,323.76, 37,990.23 and 12,680.11

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Solution

The fourth proportional to 25,323.76, 37,990.23 and 12,680.11 is: 19,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,323.76 : 37,990.23 = 12,680.11 : x
  2. Step 2: Convert to fraction form
    25,323.76/37,990.23 = 12,680.11/x
  3. Step 3: Cross multiply
    25,323.76x = 37,990.23 × 12,680.11
  4. Step 4: Simplify right side
    25,323.76x = 481,720,295.33
  5. Step 5: Solve for x
    x = 481,720,295.33/25,323.76
  6. Step 6: Final answer
    x = 19,022.46

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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.