Home / 22,923.09-31,586.45-18,428.80

Finding the Fourth Proportional to 22,923.09, 31,586.45 and 18,428.80

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Solution

The fourth proportional to 22,923.09, 31,586.45 and 18,428.80 is: 25,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,923.09 : 31,586.45 = 18,428.80 : x
  2. Step 2: Convert to fraction form
    22,923.09/31,586.45 = 18,428.80/x
  3. Step 3: Cross multiply
    22,923.09x = 31,586.45 × 18,428.80
  4. Step 4: Simplify right side
    22,923.09x = 582,100,369.76
  5. Step 5: Solve for x
    x = 582,100,369.76/22,923.09
  6. Step 6: Final answer
    x = 25,393.63

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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.