Home / 20,017.37-29,999.19-15,580.37

Finding the Fourth Proportional to 20,017.37, 29,999.19 and 15,580.37

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Solution

The fourth proportional to 20,017.37, 29,999.19 and 15,580.37 is: 23,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.37 : 29,999.19 = 15,580.37 : x
  2. Step 2: Convert to fraction form
    20,017.37/29,999.19 = 15,580.37/x
  3. Step 3: Cross multiply
    20,017.37x = 29,999.19 × 15,580.37
  4. Step 4: Simplify right side
    20,017.37x = 467,398,479.90
  5. Step 5: Solve for x
    x = 467,398,479.90/20,017.37
  6. Step 6: Final answer
    x = 23,349.64

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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.