Home / 23,979.14-35,979.08-12,872.86

Finding the Fourth Proportional to 23,979.14, 35,979.08 and 12,872.86

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Solution

The fourth proportional to 23,979.14, 35,979.08 and 12,872.86 is: 19,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.14 : 35,979.08 = 12,872.86 : x
  2. Step 2: Convert to fraction form
    23,979.14/35,979.08 = 12,872.86/x
  3. Step 3: Cross multiply
    23,979.14x = 35,979.08 × 12,872.86
  4. Step 4: Simplify right side
    23,979.14x = 463,153,659.77
  5. Step 5: Solve for x
    x = 463,153,659.77/23,979.14
  6. Step 6: Final answer
    x = 19,314.86

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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.