Home / 60,018.20-90,027.32-15,644.84

Finding the Fourth Proportional to 60,018.20, 90,027.32 and 15,644.84

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Solution

The fourth proportional to 60,018.20, 90,027.32 and 15,644.84 is: 23,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.20 : 90,027.32 = 15,644.84 : x
  2. Step 2: Convert to fraction form
    60,018.20/90,027.32 = 15,644.84/x
  3. Step 3: Cross multiply
    60,018.20x = 90,027.32 × 15,644.84
  4. Step 4: Simplify right side
    60,018.20x = 1,408,463,017.03
  5. Step 5: Solve for x
    x = 1,408,463,017.03/60,018.20
  6. Step 6: Final answer
    x = 23,467.27

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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.