Home / 28,533.58-39,378.27-15,958.42

Finding the Fourth Proportional to 28,533.58, 39,378.27 and 15,958.42

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Solution

The fourth proportional to 28,533.58, 39,378.27 and 15,958.42 is: 22,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.58 : 39,378.27 = 15,958.42 : x
  2. Step 2: Convert to fraction form
    28,533.58/39,378.27 = 15,958.42/x
  3. Step 3: Cross multiply
    28,533.58x = 39,378.27 × 15,958.42
  4. Step 4: Simplify right side
    28,533.58x = 628,414,971.53
  5. Step 5: Solve for x
    x = 628,414,971.53/28,533.58
  6. Step 6: Final answer
    x = 22,023.70

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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.