Home / 21,725.16-29,981.84-12,293.52

Finding the Fourth Proportional to 21,725.16, 29,981.84 and 12,293.52

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Solution

The fourth proportional to 21,725.16, 29,981.84 and 12,293.52 is: 16,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.16 : 29,981.84 = 12,293.52 : x
  2. Step 2: Convert to fraction form
    21,725.16/29,981.84 = 12,293.52/x
  3. Step 3: Cross multiply
    21,725.16x = 29,981.84 × 12,293.52
  4. Step 4: Simplify right side
    21,725.16x = 368,582,349.68
  5. Step 5: Solve for x
    x = 368,582,349.68/21,725.16
  6. Step 6: Final answer
    x = 16,965.69

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