Home / 36,279.36-54,393.12-15,491.52

Finding the Fourth Proportional to 36,279.36, 54,393.12 and 15,491.52

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Solution

The fourth proportional to 36,279.36, 54,393.12 and 15,491.52 is: 23,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.36 : 54,393.12 = 15,491.52 : x
  2. Step 2: Convert to fraction form
    36,279.36/54,393.12 = 15,491.52/x
  3. Step 3: Cross multiply
    36,279.36x = 54,393.12 × 15,491.52
  4. Step 4: Simplify right side
    36,279.36x = 842,632,106.34
  5. Step 5: Solve for x
    x = 842,632,106.34/36,279.36
  6. Step 6: Final answer
    x = 23,226.21

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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.