Home / 25,034.99-34,364.21-22,138.90

Finding the Fourth Proportional to 25,034.99, 34,364.21 and 22,138.90

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Solution

The fourth proportional to 25,034.99, 34,364.21 and 22,138.90 is: 30,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,034.99 : 34,364.21 = 22,138.90 : x
  2. Step 2: Convert to fraction form
    25,034.99/34,364.21 = 22,138.90/x
  3. Step 3: Cross multiply
    25,034.99x = 34,364.21 × 22,138.90
  4. Step 4: Simplify right side
    25,034.99x = 760,785,612.16
  5. Step 5: Solve for x
    x = 760,785,612.16/25,034.99
  6. Step 6: Final answer
    x = 30,388.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.