Home / 28,898.09-43,359.66-10,191.50

Finding the Fourth Proportional to 28,898.09, 43,359.66 and 10,191.50

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Solution

The fourth proportional to 28,898.09, 43,359.66 and 10,191.50 is: 15,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.09 : 43,359.66 = 10,191.50 : x
  2. Step 2: Convert to fraction form
    28,898.09/43,359.66 = 10,191.50/x
  3. Step 3: Cross multiply
    28,898.09x = 43,359.66 × 10,191.50
  4. Step 4: Simplify right side
    28,898.09x = 441,899,974.89
  5. Step 5: Solve for x
    x = 441,899,974.89/28,898.09
  6. Step 6: Final answer
    x = 15,291.67

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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.