Home / 26,478.40-36,530.48-17,408.64

Finding the Fourth Proportional to 26,478.40, 36,530.48 and 17,408.64

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Solution

The fourth proportional to 26,478.40, 36,530.48 and 17,408.64 is: 24,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.40 : 36,530.48 = 17,408.64 : x
  2. Step 2: Convert to fraction form
    26,478.40/36,530.48 = 17,408.64/x
  3. Step 3: Cross multiply
    26,478.40x = 36,530.48 × 17,408.64
  4. Step 4: Simplify right side
    26,478.40x = 635,945,975.35
  5. Step 5: Solve for x
    x = 635,945,975.35/26,478.40
  6. Step 6: Final answer
    x = 24,017.54

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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.