Home / 28,999.23-40,009.57-17,065.50

Finding the Fourth Proportional to 28,999.23, 40,009.57 and 17,065.50

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Solution

The fourth proportional to 28,999.23, 40,009.57 and 17,065.50 is: 23,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.23 : 40,009.57 = 17,065.50 : x
  2. Step 2: Convert to fraction form
    28,999.23/40,009.57 = 17,065.50/x
  3. Step 3: Cross multiply
    28,999.23x = 40,009.57 × 17,065.50
  4. Step 4: Simplify right side
    28,999.23x = 682,783,316.84
  5. Step 5: Solve for x
    x = 682,783,316.84/28,999.23
  6. Step 6: Final answer
    x = 23,544.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.