Home / 28,615.49-39,489.25-16,040.24

Finding the Fourth Proportional to 28,615.49, 39,489.25 and 16,040.24

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Solution

The fourth proportional to 28,615.49, 39,489.25 and 16,040.24 is: 22,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.49 : 39,489.25 = 16,040.24 : x
  2. Step 2: Convert to fraction form
    28,615.49/39,489.25 = 16,040.24/x
  3. Step 3: Cross multiply
    28,615.49x = 39,489.25 × 16,040.24
  4. Step 4: Simplify right side
    28,615.49x = 633,416,769.77
  5. Step 5: Solve for x
    x = 633,416,769.77/28,615.49
  6. Step 6: Final answer
    x = 22,135.45

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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.