Home / 28,682.32-43,028.34-14,640.16

Finding the Fourth Proportional to 28,682.32, 43,028.34 and 14,640.16

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Solution

The fourth proportional to 28,682.32, 43,028.34 and 14,640.16 is: 21,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.32 : 43,028.34 = 14,640.16 : x
  2. Step 2: Convert to fraction form
    28,682.32/43,028.34 = 14,640.16/x
  3. Step 3: Cross multiply
    28,682.32x = 43,028.34 × 14,640.16
  4. Step 4: Simplify right side
    28,682.32x = 629,941,782.13
  5. Step 5: Solve for x
    x = 629,941,782.13/28,682.32
  6. Step 6: Final answer
    x = 21,962.72

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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.