Home / 26,500.28-36,572.63-18,021.21

Finding the Fourth Proportional to 26,500.28, 36,572.63 and 18,021.21

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Solution

The fourth proportional to 26,500.28, 36,572.63 and 18,021.21 is: 24,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.28 : 36,572.63 = 18,021.21 : x
  2. Step 2: Convert to fraction form
    26,500.28/36,572.63 = 18,021.21/x
  3. Step 3: Cross multiply
    26,500.28x = 36,572.63 × 18,021.21
  4. Step 4: Simplify right side
    26,500.28x = 659,083,000.43
  5. Step 5: Solve for x
    x = 659,083,000.43/26,500.28
  6. Step 6: Final answer
    x = 24,870.80

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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.