Home / 24,420.15-36,629.55-7,781.40

Finding the Fourth Proportional to 24,420.15, 36,629.55 and 7,781.40

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Solution

The fourth proportional to 24,420.15, 36,629.55 and 7,781.40 is: 11,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,420.15 : 36,629.55 = 7,781.40 : x
  2. Step 2: Convert to fraction form
    24,420.15/36,629.55 = 7,781.40/x
  3. Step 3: Cross multiply
    24,420.15x = 36,629.55 × 7,781.40
  4. Step 4: Simplify right side
    24,420.15x = 285,029,180.37
  5. Step 5: Solve for x
    x = 285,029,180.37/24,420.15
  6. Step 6: Final answer
    x = 11,671.88

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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.