Home / 21,480.76-29,643.96-12,050.02

Finding the Fourth Proportional to 21,480.76, 29,643.96 and 12,050.02

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Solution

The fourth proportional to 21,480.76, 29,643.96 and 12,050.02 is: 16,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.76 : 29,643.96 = 12,050.02 : x
  2. Step 2: Convert to fraction form
    21,480.76/29,643.96 = 12,050.02/x
  3. Step 3: Cross multiply
    21,480.76x = 29,643.96 × 12,050.02
  4. Step 4: Simplify right side
    21,480.76x = 357,210,310.88
  5. Step 5: Solve for x
    x = 357,210,310.88/21,480.76
  6. Step 6: Final answer
    x = 16,629.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.