Home / 28,341.38-39,116.52-18,764.37

Finding the Fourth Proportional to 28,341.38, 39,116.52 and 18,764.37

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Solution

The fourth proportional to 28,341.38, 39,116.52 and 18,764.37 is: 25,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.38 : 39,116.52 = 18,764.37 : x
  2. Step 2: Convert to fraction form
    28,341.38/39,116.52 = 18,764.37/x
  3. Step 3: Cross multiply
    28,341.38x = 39,116.52 × 18,764.37
  4. Step 4: Simplify right side
    28,341.38x = 733,996,854.39
  5. Step 5: Solve for x
    x = 733,996,854.39/28,341.38
  6. Step 6: Final answer
    x = 25,898.42

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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.