Home / 28,703.50-43,032.30-14,464.31

Finding the Fourth Proportional to 28,703.50, 43,032.30 and 14,464.31

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Solution

The fourth proportional to 28,703.50, 43,032.30 and 14,464.31 is: 21,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.50 : 43,032.30 = 14,464.31 : x
  2. Step 2: Convert to fraction form
    28,703.50/43,032.30 = 14,464.31/x
  3. Step 3: Cross multiply
    28,703.50x = 43,032.30 × 14,464.31
  4. Step 4: Simplify right side
    28,703.50x = 622,432,500.37
  5. Step 5: Solve for x
    x = 622,432,500.37/28,703.50
  6. Step 6: Final answer
    x = 21,684.90

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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.