Home / 28,009.96-42,014.09-11,369.59

Finding the Fourth Proportional to 28,009.96, 42,014.09 and 11,369.59

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Solution

The fourth proportional to 28,009.96, 42,014.09 and 11,369.59 is: 17,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.96 : 42,014.09 = 11,369.59 : x
  2. Step 2: Convert to fraction form
    28,009.96/42,014.09 = 11,369.59/x
  3. Step 3: Cross multiply
    28,009.96x = 42,014.09 × 11,369.59
  4. Step 4: Simplify right side
    28,009.96x = 477,682,900.91
  5. Step 5: Solve for x
    x = 477,682,900.91/28,009.96
  6. Step 6: Final answer
    x = 17,054.04

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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.