Home / 28,074.44-38,742.58-15,499.16

Finding the Fourth Proportional to 28,074.44, 38,742.58 and 15,499.16

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Solution

The fourth proportional to 28,074.44, 38,742.58 and 15,499.16 is: 21,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.44 : 38,742.58 = 15,499.16 : x
  2. Step 2: Convert to fraction form
    28,074.44/38,742.58 = 15,499.16/x
  3. Step 3: Cross multiply
    28,074.44x = 38,742.58 × 15,499.16
  4. Step 4: Simplify right side
    28,074.44x = 600,477,446.23
  5. Step 5: Solve for x
    x = 600,477,446.23/28,074.44
  6. Step 6: Final answer
    x = 21,388.76

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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.