Home / 20,346.01-30,521.75-19,115.82

Finding the Fourth Proportional to 20,346.01, 30,521.75 and 19,115.82

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Solution

The fourth proportional to 20,346.01, 30,521.75 and 19,115.82 is: 28,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.01 : 30,521.75 = 19,115.82 : x
  2. Step 2: Convert to fraction form
    20,346.01/30,521.75 = 19,115.82/x
  3. Step 3: Cross multiply
    20,346.01x = 30,521.75 × 19,115.82
  4. Step 4: Simplify right side
    20,346.01x = 583,448,279.09
  5. Step 5: Solve for x
    x = 583,448,279.09/20,346.01
  6. Step 6: Final answer
    x = 28,676.30

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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.