Home / 18,779.44-25,881.76-16,629.16

Finding the Fourth Proportional to 18,779.44, 25,881.76 and 16,629.16

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Solution

The fourth proportional to 18,779.44, 25,881.76 and 16,629.16 is: 22,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779.44 : 25,881.76 = 16,629.16 : x
  2. Step 2: Convert to fraction form
    18,779.44/25,881.76 = 16,629.16/x
  3. Step 3: Cross multiply
    18,779.44x = 25,881.76 × 16,629.16
  4. Step 4: Simplify right side
    18,779.44x = 430,391,928.12
  5. Step 5: Solve for x
    x = 430,391,928.12/18,779.44
  6. Step 6: Final answer
    x = 22,918.25

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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.