Home / 20,833.37-31,231.58-15,562.01

Finding the Fourth Proportional to 20,833.37, 31,231.58 and 15,562.01

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Solution

The fourth proportional to 20,833.37, 31,231.58 and 15,562.01 is: 23,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.37 : 31,231.58 = 15,562.01 : x
  2. Step 2: Convert to fraction form
    20,833.37/31,231.58 = 15,562.01/x
  3. Step 3: Cross multiply
    20,833.37x = 31,231.58 × 15,562.01
  4. Step 4: Simplify right side
    20,833.37x = 486,025,926.31
  5. Step 5: Solve for x
    x = 486,025,926.31/20,833.37
  6. Step 6: Final answer
    x = 23,329.21

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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.