Home / 19,195.28-26,465.64-15,851.60

Finding the Fourth Proportional to 19,195.28, 26,465.64 and 15,851.60

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Solution

The fourth proportional to 19,195.28, 26,465.64 and 15,851.60 is: 21,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.28 : 26,465.64 = 15,851.60 : x
  2. Step 2: Convert to fraction form
    19,195.28/26,465.64 = 15,851.60/x
  3. Step 3: Cross multiply
    19,195.28x = 26,465.64 × 15,851.60
  4. Step 4: Simplify right side
    19,195.28x = 419,522,739.02
  5. Step 5: Solve for x
    x = 419,522,739.02/19,195.28
  6. Step 6: Final answer
    x = 21,855.52

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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.