Home / 28,351.26-42,508.44-13,559.76

Finding the Fourth Proportional to 28,351.26, 42,508.44 and 13,559.76

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Solution

The fourth proportional to 28,351.26, 42,508.44 and 13,559.76 is: 20,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.26 : 42,508.44 = 13,559.76 : x
  2. Step 2: Convert to fraction form
    28,351.26/42,508.44 = 13,559.76/x
  3. Step 3: Cross multiply
    28,351.26x = 42,508.44 × 13,559.76
  4. Step 4: Simplify right side
    28,351.26x = 576,404,244.37
  5. Step 5: Solve for x
    x = 576,404,244.37/28,351.26
  6. Step 6: Final answer
    x = 20,330.82

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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.