Home / 28,609.97-42,924.26-13,820.58

Finding the Fourth Proportional to 28,609.97, 42,924.26 and 13,820.58

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Solution

The fourth proportional to 28,609.97, 42,924.26 and 13,820.58 is: 20,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.97 : 42,924.26 = 13,820.58 : x
  2. Step 2: Convert to fraction form
    28,609.97/42,924.26 = 13,820.58/x
  3. Step 3: Cross multiply
    28,609.97x = 42,924.26 × 13,820.58
  4. Step 4: Simplify right side
    28,609.97x = 593,238,100.17
  5. Step 5: Solve for x
    x = 593,238,100.17/28,609.97
  6. Step 6: Final answer
    x = 20,735.37

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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.