Home / 28,657.44-42,982.56-18,159.84

Finding the Fourth Proportional to 28,657.44, 42,982.56 and 18,159.84

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Solution

The fourth proportional to 28,657.44, 42,982.56 and 18,159.84 is: 27,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.44 : 42,982.56 = 18,159.84 : x
  2. Step 2: Convert to fraction form
    28,657.44/42,982.56 = 18,159.84/x
  3. Step 3: Cross multiply
    28,657.44x = 42,982.56 × 18,159.84
  4. Step 4: Simplify right side
    28,657.44x = 780,556,412.39
  5. Step 5: Solve for x
    x = 780,556,412.39/28,657.44
  6. Step 6: Final answer
    x = 27,237.48

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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.