Home / 28,840.39-43,260.31-13,050.79

Finding the Fourth Proportional to 28,840.39, 43,260.31 and 13,050.79

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Solution

The fourth proportional to 28,840.39, 43,260.31 and 13,050.79 is: 19,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.39 : 43,260.31 = 13,050.79 : x
  2. Step 2: Convert to fraction form
    28,840.39/43,260.31 = 13,050.79/x
  3. Step 3: Cross multiply
    28,840.39x = 43,260.31 × 13,050.79
  4. Step 4: Simplify right side
    28,840.39x = 564,581,221.14
  5. Step 5: Solve for x
    x = 564,581,221.14/28,840.39
  6. Step 6: Final answer
    x = 19,576.06

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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.