Home / 22,389.20-33,535.20-18,501.20

Finding the Fourth Proportional to 22,389.20, 33,535.20 and 18,501.20

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Solution

The fourth proportional to 22,389.20, 33,535.20 and 18,501.20 is: 27,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.20 : 33,535.20 = 18,501.20 : x
  2. Step 2: Convert to fraction form
    22,389.20/33,535.20 = 18,501.20/x
  3. Step 3: Cross multiply
    22,389.20x = 33,535.20 × 18,501.20
  4. Step 4: Simplify right side
    22,389.20x = 620,441,442.24
  5. Step 5: Solve for x
    x = 620,441,442.24/22,389.20
  6. Step 6: Final answer
    x = 27,711.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.