Home / 28,067.07-42,078.54-14,019.85

Finding the Fourth Proportional to 28,067.07, 42,078.54 and 14,019.85

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Solution

The fourth proportional to 28,067.07, 42,078.54 and 14,019.85 is: 21,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.07 : 42,078.54 = 14,019.85 : x
  2. Step 2: Convert to fraction form
    28,067.07/42,078.54 = 14,019.85/x
  3. Step 3: Cross multiply
    28,067.07x = 42,078.54 × 14,019.85
  4. Step 4: Simplify right side
    28,067.07x = 589,934,748.92
  5. Step 5: Solve for x
    x = 589,934,748.92/28,067.07
  6. Step 6: Final answer
    x = 21,018.75

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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.