Home / 26,563.55-36,623.64-21,765.81

Finding the Fourth Proportional to 26,563.55, 36,623.64 and 21,765.81

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Solution

The fourth proportional to 26,563.55, 36,623.64 and 21,765.81 is: 30,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,563.55 : 36,623.64 = 21,765.81 : x
  2. Step 2: Convert to fraction form
    26,563.55/36,623.64 = 21,765.81/x
  3. Step 3: Cross multiply
    26,563.55x = 36,623.64 × 21,765.81
  4. Step 4: Simplify right side
    26,563.55x = 797,143,408.71
  5. Step 5: Solve for x
    x = 797,143,408.71/26,563.55
  6. Step 6: Final answer
    x = 30,008.92

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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.