Home / 25,373.86-38,035.47-20,945.18

Finding the Fourth Proportional to 25,373.86, 38,035.47 and 20,945.18

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Solution

The fourth proportional to 25,373.86, 38,035.47 and 20,945.18 is: 31,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,373.86 : 38,035.47 = 20,945.18 : x
  2. Step 2: Convert to fraction form
    25,373.86/38,035.47 = 20,945.18/x
  3. Step 3: Cross multiply
    25,373.86x = 38,035.47 × 20,945.18
  4. Step 4: Simplify right side
    25,373.86x = 796,659,939.17
  5. Step 5: Solve for x
    x = 796,659,939.17/25,373.86
  6. Step 6: Final answer
    x = 31,396.88

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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.