Home / 25,395.05-35,112.05-22,242.20

Finding the Fourth Proportional to 25,395.05, 35,112.05 and 22,242.20

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Solution

The fourth proportional to 25,395.05, 35,112.05 and 22,242.20 is: 30,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.05 : 35,112.05 = 22,242.20 : x
  2. Step 2: Convert to fraction form
    25,395.05/35,112.05 = 22,242.20/x
  3. Step 3: Cross multiply
    25,395.05x = 35,112.05 × 22,242.20
  4. Step 4: Simplify right side
    25,395.05x = 780,969,035.15
  5. Step 5: Solve for x
    x = 780,969,035.15/25,395.05
  6. Step 6: Final answer
    x = 30,752.80

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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.