Home / 28,615.74-39,486.52-16,040.22

Finding the Fourth Proportional to 28,615.74, 39,486.52 and 16,040.22

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Solution

The fourth proportional to 28,615.74, 39,486.52 and 16,040.22 is: 22,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.74 : 39,486.52 = 16,040.22 : x
  2. Step 2: Convert to fraction form
    28,615.74/39,486.52 = 16,040.22/x
  3. Step 3: Cross multiply
    28,615.74x = 39,486.52 × 16,040.22
  4. Step 4: Simplify right side
    28,615.74x = 633,372,467.83
  5. Step 5: Solve for x
    x = 633,372,467.83/28,615.74
  6. Step 6: Final answer
    x = 22,133.71

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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.