Home / 26,390.56-36,420.69-17,321.34

Finding the Fourth Proportional to 26,390.56, 36,420.69 and 17,321.34

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Solution

The fourth proportional to 26,390.56, 36,420.69 and 17,321.34 is: 23,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.56 : 36,420.69 = 17,321.34 : x
  2. Step 2: Convert to fraction form
    26,390.56/36,420.69 = 17,321.34/x
  3. Step 3: Cross multiply
    26,390.56x = 36,420.69 × 17,321.34
  4. Step 4: Simplify right side
    26,390.56x = 630,855,258.62
  5. Step 5: Solve for x
    x = 630,855,258.62/26,390.56
  6. Step 6: Final answer
    x = 23,904.58

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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.