Home / 28,450.56-39,268.80-17,281.92

Finding the Fourth Proportional to 28,450.56, 39,268.80 and 17,281.92

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Solution

The fourth proportional to 28,450.56, 39,268.80 and 17,281.92 is: 23,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.56 : 39,268.80 = 17,281.92 : x
  2. Step 2: Convert to fraction form
    28,450.56/39,268.80 = 17,281.92/x
  3. Step 3: Cross multiply
    28,450.56x = 39,268.80 × 17,281.92
  4. Step 4: Simplify right side
    28,450.56x = 678,640,260.10
  5. Step 5: Solve for x
    x = 678,640,260.10/28,450.56
  6. Step 6: Final answer
    x = 23,853.32

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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.