Home / 28,114.44-38,797.38-15,539.24

Finding the Fourth Proportional to 28,114.44, 38,797.38 and 15,539.24

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Solution

The fourth proportional to 28,114.44, 38,797.38 and 15,539.24 is: 21,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.44 : 38,797.38 = 15,539.24 : x
  2. Step 2: Convert to fraction form
    28,114.44/38,797.38 = 15,539.24/x
  3. Step 3: Cross multiply
    28,114.44x = 38,797.38 × 15,539.24
  4. Step 4: Simplify right side
    28,114.44x = 602,881,799.19
  5. Step 5: Solve for x
    x = 602,881,799.19/28,114.44
  6. Step 6: Final answer
    x = 21,443.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.