Home / 28,494.37-42,739.93-7,716.25

Finding the Fourth Proportional to 28,494.37, 42,739.93 and 7,716.25

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Solution

The fourth proportional to 28,494.37, 42,739.93 and 7,716.25 is: 11,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494.37 : 42,739.93 = 7,716.25 : x
  2. Step 2: Convert to fraction form
    28,494.37/42,739.93 = 7,716.25/x
  3. Step 3: Cross multiply
    28,494.37x = 42,739.93 × 7,716.25
  4. Step 4: Simplify right side
    28,494.37x = 329,791,984.86
  5. Step 5: Solve for x
    x = 329,791,984.86/28,494.37
  6. Step 6: Final answer
    x = 11,573.93

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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.