Home / 28,818.20-43,224.06-7,760.36

Finding the Fourth Proportional to 28,818.20, 43,224.06 and 7,760.36

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Solution

The fourth proportional to 28,818.20, 43,224.06 and 7,760.36 is: 11,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.20 : 43,224.06 = 7,760.36 : x
  2. Step 2: Convert to fraction form
    28,818.20/43,224.06 = 7,760.36/x
  3. Step 3: Cross multiply
    28,818.20x = 43,224.06 × 7,760.36
  4. Step 4: Simplify right side
    28,818.20x = 335,434,266.26
  5. Step 5: Solve for x
    x = 335,434,266.26/28,818.20
  6. Step 6: Final answer
    x = 11,639.67

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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.