Home / 28,094.58-38,770.52-15,519.33

Finding the Fourth Proportional to 28,094.58, 38,770.52 and 15,519.33

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Solution

The fourth proportional to 28,094.58, 38,770.52 and 15,519.33 is: 21,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.58 : 38,770.52 = 15,519.33 : x
  2. Step 2: Convert to fraction form
    28,094.58/38,770.52 = 15,519.33/x
  3. Step 3: Cross multiply
    28,094.58x = 38,770.52 × 15,519.33
  4. Step 4: Simplify right side
    28,094.58x = 601,692,416.55
  5. Step 5: Solve for x
    x = 601,692,416.55/28,094.58
  6. Step 6: Final answer
    x = 21,416.67

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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.