Home / 28,739.06-43,114.06-9,012.32

Finding the Fourth Proportional to 28,739.06, 43,114.06 and 9,012.32

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Solution

The fourth proportional to 28,739.06, 43,114.06 and 9,012.32 is: 13,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.06 : 43,114.06 = 9,012.32 : x
  2. Step 2: Convert to fraction form
    28,739.06/43,114.06 = 9,012.32/x
  3. Step 3: Cross multiply
    28,739.06x = 43,114.06 × 9,012.32
  4. Step 4: Simplify right side
    28,739.06x = 388,557,705.22
  5. Step 5: Solve for x
    x = 388,557,705.22/28,739.06
  6. Step 6: Final answer
    x = 13,520.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.