Home / 28,912.51-43,339.22-16,406.12

Finding the Fourth Proportional to 28,912.51, 43,339.22 and 16,406.12

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Solution

The fourth proportional to 28,912.51, 43,339.22 and 16,406.12 is: 24,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.51 : 43,339.22 = 16,406.12 : x
  2. Step 2: Convert to fraction form
    28,912.51/43,339.22 = 16,406.12/x
  3. Step 3: Cross multiply
    28,912.51x = 43,339.22 × 16,406.12
  4. Step 4: Simplify right side
    28,912.51x = 711,028,444.03
  5. Step 5: Solve for x
    x = 711,028,444.03/28,912.51
  6. Step 6: Final answer
    x = 24,592.41

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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.