Home / 28,736.36-43,068.01-12,924.48

Finding the Fourth Proportional to 28,736.36, 43,068.01 and 12,924.48

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Solution

The fourth proportional to 28,736.36, 43,068.01 and 12,924.48 is: 19,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.36 : 43,068.01 = 12,924.48 : x
  2. Step 2: Convert to fraction form
    28,736.36/43,068.01 = 12,924.48/x
  3. Step 3: Cross multiply
    28,736.36x = 43,068.01 × 12,924.48
  4. Step 4: Simplify right side
    28,736.36x = 556,631,633.88
  5. Step 5: Solve for x
    x = 556,631,633.88/28,736.36
  6. Step 6: Final answer
    x = 19,370.29

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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.