Home / 19,518.57-29,277.87-15,647.58

Finding the Fourth Proportional to 19,518.57, 29,277.87 and 15,647.58

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Solution

The fourth proportional to 19,518.57, 29,277.87 and 15,647.58 is: 23,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.57 : 29,277.87 = 15,647.58 : x
  2. Step 2: Convert to fraction form
    19,518.57/29,277.87 = 15,647.58/x
  3. Step 3: Cross multiply
    19,518.57x = 29,277.87 × 15,647.58
  4. Step 4: Simplify right side
    19,518.57x = 458,127,813.05
  5. Step 5: Solve for x
    x = 458,127,813.05/19,518.57
  6. Step 6: Final answer
    x = 23,471.38

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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.