Home / 23,980.11-33,100.98-15,804.36

Finding the Fourth Proportional to 23,980.11, 33,100.98 and 15,804.36

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Solution

The fourth proportional to 23,980.11, 33,100.98 and 15,804.36 is: 21,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.11 : 33,100.98 = 15,804.36 : x
  2. Step 2: Convert to fraction form
    23,980.11/33,100.98 = 15,804.36/x
  3. Step 3: Cross multiply
    23,980.11x = 33,100.98 × 15,804.36
  4. Step 4: Simplify right side
    23,980.11x = 523,139,804.27
  5. Step 5: Solve for x
    x = 523,139,804.27/23,980.11
  6. Step 6: Final answer
    x = 21,815.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.