Home / 28,014.64-41,961.66-13,201.36

Finding the Fourth Proportional to 28,014.64, 41,961.66 and 13,201.36

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Solution

The fourth proportional to 28,014.64, 41,961.66 and 13,201.36 is: 19,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.64 : 41,961.66 = 13,201.36 : x
  2. Step 2: Convert to fraction form
    28,014.64/41,961.66 = 13,201.36/x
  3. Step 3: Cross multiply
    28,014.64x = 41,961.66 × 13,201.36
  4. Step 4: Simplify right side
    28,014.64x = 553,950,979.86
  5. Step 5: Solve for x
    x = 553,950,979.86/28,014.64
  6. Step 6: Final answer
    x = 19,773.62

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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.