Home / 27,245.64-40,830.66-12,418.32

Finding the Fourth Proportional to 27,245.64, 40,830.66 and 12,418.32

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Solution

The fourth proportional to 27,245.64, 40,830.66 and 12,418.32 is: 18,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.64 : 40,830.66 = 12,418.32 : x
  2. Step 2: Convert to fraction form
    27,245.64/40,830.66 = 12,418.32/x
  3. Step 3: Cross multiply
    27,245.64x = 40,830.66 × 12,418.32
  4. Step 4: Simplify right side
    27,245.64x = 507,048,201.69
  5. Step 5: Solve for x
    x = 507,048,201.69/27,245.64
  6. Step 6: Final answer
    x = 18,610.25

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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.