Home / 28,657.37-42,983.50-9,936.98

Finding the Fourth Proportional to 28,657.37, 42,983.50 and 9,936.98

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Solution

The fourth proportional to 28,657.37, 42,983.50 and 9,936.98 is: 14,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.37 : 42,983.50 = 9,936.98 : x
  2. Step 2: Convert to fraction form
    28,657.37/42,983.50 = 9,936.98/x
  3. Step 3: Cross multiply
    28,657.37x = 42,983.50 × 9,936.98
  4. Step 4: Simplify right side
    28,657.37x = 427,126,262.45
  5. Step 5: Solve for x
    x = 427,126,262.45/28,657.37
  6. Step 6: Final answer
    x = 14,904.59

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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.