Home / 28,739.37-43,072.50-12,927.49

Finding the Fourth Proportional to 28,739.37, 43,072.50 and 12,927.49

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Solution

The fourth proportional to 28,739.37, 43,072.50 and 12,927.49 is: 19,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.37 : 43,072.50 = 12,927.49 : x
  2. Step 2: Convert to fraction form
    28,739.37/43,072.50 = 12,927.49/x
  3. Step 3: Cross multiply
    28,739.37x = 43,072.50 × 12,927.49
  4. Step 4: Simplify right side
    28,739.37x = 556,819,313.03
  5. Step 5: Solve for x
    x = 556,819,313.03/28,739.37
  6. Step 6: Final answer
    x = 19,374.79

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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.