Home / 28,193.48-42,295.11-9,475.35

Finding the Fourth Proportional to 28,193.48, 42,295.11 and 9,475.35

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Solution

The fourth proportional to 28,193.48, 42,295.11 and 9,475.35 is: 14,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.48 : 42,295.11 = 9,475.35 : x
  2. Step 2: Convert to fraction form
    28,193.48/42,295.11 = 9,475.35/x
  3. Step 3: Cross multiply
    28,193.48x = 42,295.11 × 9,475.35
  4. Step 4: Simplify right side
    28,193.48x = 400,760,970.54
  5. Step 5: Solve for x
    x = 400,760,970.54/28,193.48
  6. Step 6: Final answer
    x = 14,214.67

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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.