Home / 28,450.06-39,268.11-17,281.42

Finding the Fourth Proportional to 28,450.06, 39,268.11 and 17,281.42

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Solution

The fourth proportional to 28,450.06, 39,268.11 and 17,281.42 is: 23,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.06 : 39,268.11 = 17,281.42 : x
  2. Step 2: Convert to fraction form
    28,450.06/39,268.11 = 17,281.42/x
  3. Step 3: Cross multiply
    28,450.06x = 39,268.11 × 17,281.42
  4. Step 4: Simplify right side
    28,450.06x = 678,608,701.52
  5. Step 5: Solve for x
    x = 678,608,701.52/28,450.06
  6. Step 6: Final answer
    x = 23,852.63

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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.