Home / 28,804.04-43,187.52-12,159.50

Finding the Fourth Proportional to 28,804.04, 43,187.52 and 12,159.50

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Solution

The fourth proportional to 28,804.04, 43,187.52 and 12,159.50 is: 18,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.04 : 43,187.52 = 12,159.50 : x
  2. Step 2: Convert to fraction form
    28,804.04/43,187.52 = 12,159.50/x
  3. Step 3: Cross multiply
    28,804.04x = 43,187.52 × 12,159.50
  4. Step 4: Simplify right side
    28,804.04x = 525,138,649.44
  5. Step 5: Solve for x
    x = 525,138,649.44/28,804.04
  6. Step 6: Final answer
    x = 18,231.42

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1.5x scale

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.