Home / 19,095.44-28,615.48-13,559.64

Finding the Fourth Proportional to 19,095.44, 28,615.48 and 13,559.64

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Solution

The fourth proportional to 19,095.44, 28,615.48 and 13,559.64 is: 20,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.44 : 28,615.48 = 13,559.64 : x
  2. Step 2: Convert to fraction form
    19,095.44/28,615.48 = 13,559.64/x
  3. Step 3: Cross multiply
    19,095.44x = 28,615.48 × 13,559.64
  4. Step 4: Simplify right side
    19,095.44x = 388,015,607.23
  5. Step 5: Solve for x
    x = 388,015,607.23/19,095.44
  6. Step 6: Final answer
    x = 20,319.80

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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.