Home / 53,338.75-80,012.26-15,895.95

Finding the Fourth Proportional to 53,338.75, 80,012.26 and 15,895.95

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Solution

The fourth proportional to 53,338.75, 80,012.26 and 15,895.95 is: 23,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,338.75 : 80,012.26 = 15,895.95 : x
  2. Step 2: Convert to fraction form
    53,338.75/80,012.26 = 15,895.95/x
  3. Step 3: Cross multiply
    53,338.75x = 80,012.26 × 15,895.95
  4. Step 4: Simplify right side
    53,338.75x = 1,271,870,514.76
  5. Step 5: Solve for x
    x = 1,271,870,514.76/53,338.75
  6. Step 6: Final answer
    x = 23,845.15

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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.