Home / 28,951.68-43,369.60-13,347.84

Finding the Fourth Proportional to 28,951.68, 43,369.60 and 13,347.84

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Solution

The fourth proportional to 28,951.68, 43,369.60 and 13,347.84 is: 19,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.68 : 43,369.60 = 13,347.84 : x
  2. Step 2: Convert to fraction form
    28,951.68/43,369.60 = 13,347.84/x
  3. Step 3: Cross multiply
    28,951.68x = 43,369.60 × 13,347.84
  4. Step 4: Simplify right side
    28,951.68x = 578,890,481.66
  5. Step 5: Solve for x
    x = 578,890,481.66/28,951.68
  6. Step 6: Final answer
    x = 19,995.06

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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.