Home / 28,923.80-43,368.10-11,372.60

Finding the Fourth Proportional to 28,923.80, 43,368.10 and 11,372.60

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Solution

The fourth proportional to 28,923.80, 43,368.10 and 11,372.60 is: 17,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.80 : 43,368.10 = 11,372.60 : x
  2. Step 2: Convert to fraction form
    28,923.80/43,368.10 = 11,372.60/x
  3. Step 3: Cross multiply
    28,923.80x = 43,368.10 × 11,372.60
  4. Step 4: Simplify right side
    28,923.80x = 493,208,054.06
  5. Step 5: Solve for x
    x = 493,208,054.06/28,923.80
  6. Step 6: Final answer
    x = 17,051.98

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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.