Home / 19,519.56-29,277.18-15,647.40

Finding the Fourth Proportional to 19,519.56, 29,277.18 and 15,647.40

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Solution

The fourth proportional to 19,519.56, 29,277.18 and 15,647.40 is: 23,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.56 : 29,277.18 = 15,647.40 : x
  2. Step 2: Convert to fraction form
    19,519.56/29,277.18 = 15,647.40/x
  3. Step 3: Cross multiply
    19,519.56x = 29,277.18 × 15,647.40
  4. Step 4: Simplify right side
    19,519.56x = 458,111,746.33
  5. Step 5: Solve for x
    x = 458,111,746.33/19,519.56
  6. Step 6: Final answer
    x = 23,469.37

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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.