Home / 28,566.37-42,865.75-15,418.45

Finding the Fourth Proportional to 28,566.37, 42,865.75 and 15,418.45

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Solution

The fourth proportional to 28,566.37, 42,865.75 and 15,418.45 is: 23,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.37 : 42,865.75 = 15,418.45 : x
  2. Step 2: Convert to fraction form
    28,566.37/42,865.75 = 15,418.45/x
  3. Step 3: Cross multiply
    28,566.37x = 42,865.75 × 15,418.45
  4. Step 4: Simplify right side
    28,566.37x = 660,923,208.76
  5. Step 5: Solve for x
    x = 660,923,208.76/28,566.37
  6. Step 6: Final answer
    x = 23,136.41

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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.