Home / 28,851.03-43,243.73-12,200.67

Finding the Fourth Proportional to 28,851.03, 43,243.73 and 12,200.67

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Solution

The fourth proportional to 28,851.03, 43,243.73 and 12,200.67 is: 18,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.03 : 43,243.73 = 12,200.67 : x
  2. Step 2: Convert to fraction form
    28,851.03/43,243.73 = 12,200.67/x
  3. Step 3: Cross multiply
    28,851.03x = 43,243.73 × 12,200.67
  4. Step 4: Simplify right side
    28,851.03x = 527,602,509.80
  5. Step 5: Solve for x
    x = 527,602,509.80/28,851.03
  6. Step 6: Final answer
    x = 18,287.13

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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.