Home / 28,724.02-39,622.97-17,235.95

Finding the Fourth Proportional to 28,724.02, 39,622.97 and 17,235.95

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Solution

The fourth proportional to 28,724.02, 39,622.97 and 17,235.95 is: 23,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.02 : 39,622.97 = 17,235.95 : x
  2. Step 2: Convert to fraction form
    28,724.02/39,622.97 = 17,235.95/x
  3. Step 3: Cross multiply
    28,724.02x = 39,622.97 × 17,235.95
  4. Step 4: Simplify right side
    28,724.02x = 682,939,616.94
  5. Step 5: Solve for x
    x = 682,939,616.94/28,724.02
  6. Step 6: Final answer
    x = 23,775.91

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1.5x scale

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.