Home / 26,580.95-36,647.60-21,783.52

Finding the Fourth Proportional to 26,580.95, 36,647.60 and 21,783.52

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Solution

The fourth proportional to 26,580.95, 36,647.60 and 21,783.52 is: 30,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.95 : 36,647.60 = 21,783.52 : x
  2. Step 2: Convert to fraction form
    26,580.95/36,647.60 = 21,783.52/x
  3. Step 3: Cross multiply
    26,580.95x = 36,647.60 × 21,783.52
  4. Step 4: Simplify right side
    26,580.95x = 798,313,727.55
  5. Step 5: Solve for x
    x = 798,313,727.55/26,580.95
  6. Step 6: Final answer
    x = 30,033.30

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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.