Home / 28,491.03-39,319.02-17,163.99

Finding the Fourth Proportional to 28,491.03, 39,319.02 and 17,163.99

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Solution

The fourth proportional to 28,491.03, 39,319.02 and 17,163.99 is: 23,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.03 : 39,319.02 = 17,163.99 : x
  2. Step 2: Convert to fraction form
    28,491.03/39,319.02 = 17,163.99/x
  3. Step 3: Cross multiply
    28,491.03x = 39,319.02 × 17,163.99
  4. Step 4: Simplify right side
    28,491.03x = 674,871,266.09
  5. Step 5: Solve for x
    x = 674,871,266.09/28,491.03
  6. Step 6: Final answer
    x = 23,687.15

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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.