Home / 20,593.33-28,421.84-13,040.35

Finding the Fourth Proportional to 20,593.33, 28,421.84 and 13,040.35

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Solution

The fourth proportional to 20,593.33, 28,421.84 and 13,040.35 is: 17,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.33 : 28,421.84 = 13,040.35 : x
  2. Step 2: Convert to fraction form
    20,593.33/28,421.84 = 13,040.35/x
  3. Step 3: Cross multiply
    20,593.33x = 28,421.84 × 13,040.35
  4. Step 4: Simplify right side
    20,593.33x = 370,630,747.10
  5. Step 5: Solve for x
    x = 370,630,747.10/20,593.33
  6. Step 6: Final answer
    x = 17,997.61

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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.