Home / 28,967.51-43,467.68-15,640.32

Finding the Fourth Proportional to 28,967.51, 43,467.68 and 15,640.32

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Solution

The fourth proportional to 28,967.51, 43,467.68 and 15,640.32 is: 23,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.51 : 43,467.68 = 15,640.32 : x
  2. Step 2: Convert to fraction form
    28,967.51/43,467.68 = 15,640.32/x
  3. Step 3: Cross multiply
    28,967.51x = 43,467.68 × 15,640.32
  4. Step 4: Simplify right side
    28,967.51x = 679,848,424.86
  5. Step 5: Solve for x
    x = 679,848,424.86/28,967.51
  6. Step 6: Final answer
    x = 23,469.34

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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.