Home / 28,681.32-43,026.84-14,639.16

Finding the Fourth Proportional to 28,681.32, 43,026.84 and 14,639.16

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Solution

The fourth proportional to 28,681.32, 43,026.84 and 14,639.16 is: 21,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.32 : 43,026.84 = 14,639.16 : x
  2. Step 2: Convert to fraction form
    28,681.32/43,026.84 = 14,639.16/x
  3. Step 3: Cross multiply
    28,681.32x = 43,026.84 × 14,639.16
  4. Step 4: Simplify right side
    28,681.32x = 629,876,795.05
  5. Step 5: Solve for x
    x = 629,876,795.05/28,681.32
  6. Step 6: Final answer
    x = 21,961.22

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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.