Home / 19,038.96-28,556.27-12,040.56

Finding the Fourth Proportional to 19,038.96, 28,556.27 and 12,040.56

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Solution

The fourth proportional to 19,038.96, 28,556.27 and 12,040.56 is: 18,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.96 : 28,556.27 = 12,040.56 : x
  2. Step 2: Convert to fraction form
    19,038.96/28,556.27 = 12,040.56/x
  3. Step 3: Cross multiply
    19,038.96x = 28,556.27 × 12,040.56
  4. Step 4: Simplify right side
    19,038.96x = 343,833,482.31
  5. Step 5: Solve for x
    x = 343,833,482.31/19,038.96
  6. Step 6: Final answer
    x = 18,059.47

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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.