Home / 28,047.04-42,043.93-11,190.41

Finding the Fourth Proportional to 28,047.04, 42,043.93 and 11,190.41

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Solution

The fourth proportional to 28,047.04, 42,043.93 and 11,190.41 is: 16,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.04 : 42,043.93 = 11,190.41 : x
  2. Step 2: Convert to fraction form
    28,047.04/42,043.93 = 11,190.41/x
  3. Step 3: Cross multiply
    28,047.04x = 42,043.93 × 11,190.41
  4. Step 4: Simplify right side
    28,047.04x = 470,488,734.18
  5. Step 5: Solve for x
    x = 470,488,734.18/28,047.04
  6. Step 6: Final answer
    x = 16,774.99

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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.