Home / 28,394.35-39,180.58-16,456.03

Finding the Fourth Proportional to 28,394.35, 39,180.58 and 16,456.03

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Solution

The fourth proportional to 28,394.35, 39,180.58 and 16,456.03 is: 22,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.35 : 39,180.58 = 16,456.03 : x
  2. Step 2: Convert to fraction form
    28,394.35/39,180.58 = 16,456.03/x
  3. Step 3: Cross multiply
    28,394.35x = 39,180.58 × 16,456.03
  4. Step 4: Simplify right side
    28,394.35x = 644,756,660.81
  5. Step 5: Solve for x
    x = 644,756,660.81/28,394.35
  6. Step 6: Final answer
    x = 22,707.22

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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.