Home / 28,407.48-39,202.46-16,477.86

Finding the Fourth Proportional to 28,407.48, 39,202.46 and 16,477.86

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Solution

The fourth proportional to 28,407.48, 39,202.46 and 16,477.86 is: 22,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.48 : 39,202.46 = 16,477.86 : x
  2. Step 2: Convert to fraction form
    28,407.48/39,202.46 = 16,477.86/x
  3. Step 3: Cross multiply
    28,407.48x = 39,202.46 × 16,477.86
  4. Step 4: Simplify right side
    28,407.48x = 645,972,866.64
  5. Step 5: Solve for x
    x = 645,972,866.64/28,407.48
  6. Step 6: Final answer
    x = 22,739.54

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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.