Home / 28,137.48-42,212.46-10,607.46

Finding the Fourth Proportional to 28,137.48, 42,212.46 and 10,607.46

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Solution

The fourth proportional to 28,137.48, 42,212.46 and 10,607.46 is: 15,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137.48 : 42,212.46 = 10,607.46 : x
  2. Step 2: Convert to fraction form
    28,137.48/42,212.46 = 10,607.46/x
  3. Step 3: Cross multiply
    28,137.48x = 42,212.46 × 10,607.46
  4. Step 4: Simplify right side
    28,137.48x = 447,766,980.95
  5. Step 5: Solve for x
    x = 447,766,980.95/28,137.48
  6. Step 6: Final answer
    x = 15,913.54

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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.