Home / 28,716.56-43,071.41-7,658.18

Finding the Fourth Proportional to 28,716.56, 43,071.41 and 7,658.18

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Solution

The fourth proportional to 28,716.56, 43,071.41 and 7,658.18 is: 11,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.56 : 43,071.41 = 7,658.18 : x
  2. Step 2: Convert to fraction form
    28,716.56/43,071.41 = 7,658.18/x
  3. Step 3: Cross multiply
    28,716.56x = 43,071.41 × 7,658.18
  4. Step 4: Simplify right side
    28,716.56x = 329,848,610.63
  5. Step 5: Solve for x
    x = 329,848,610.63/28,716.56
  6. Step 6: Final answer
    x = 11,486.36

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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.