Home / 28,490.98-39,318.93-17,164.03

Finding the Fourth Proportional to 28,490.98, 39,318.93 and 17,164.03

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Solution

The fourth proportional to 28,490.98, 39,318.93 and 17,164.03 is: 23,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490.98 : 39,318.93 = 17,164.03 : x
  2. Step 2: Convert to fraction form
    28,490.98/39,318.93 = 17,164.03/x
  3. Step 3: Cross multiply
    28,490.98x = 39,318.93 × 17,164.03
  4. Step 4: Simplify right side
    28,490.98x = 674,871,343.24
  5. Step 5: Solve for x
    x = 674,871,343.24/28,490.98
  6. Step 6: Final answer
    x = 23,687.19

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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.