Home / 28,003.14-42,011.37-8,012.93

Finding the Fourth Proportional to 28,003.14, 42,011.37 and 8,012.93

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Solution

The fourth proportional to 28,003.14, 42,011.37 and 8,012.93 is: 12,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.14 : 42,011.37 = 8,012.93 : x
  2. Step 2: Convert to fraction form
    28,003.14/42,011.37 = 8,012.93/x
  3. Step 3: Cross multiply
    28,003.14x = 42,011.37 × 8,012.93
  4. Step 4: Simplify right side
    28,003.14x = 336,633,956.96
  5. Step 5: Solve for x
    x = 336,633,956.96/28,003.14
  6. Step 6: Final answer
    x = 12,021.29

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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.