Home / 42,007.77-63,027.99-15,714.54

Finding the Fourth Proportional to 42,007.77, 63,027.99 and 15,714.54

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Solution

The fourth proportional to 42,007.77, 63,027.99 and 15,714.54 is: 23,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007.77 : 63,027.99 = 15,714.54 : x
  2. Step 2: Convert to fraction form
    42,007.77/63,027.99 = 15,714.54/x
  3. Step 3: Cross multiply
    42,007.77x = 63,027.99 × 15,714.54
  4. Step 4: Simplify right side
    42,007.77x = 990,455,869.97
  5. Step 5: Solve for x
    x = 990,455,869.97/42,007.77
  6. Step 6: Final answer
    x = 23,577.92

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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.