Home / 20,552.31-28,362.32-11,600.19

Finding the Fourth Proportional to 20,552.31, 28,362.32 and 11,600.19

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Solution

The fourth proportional to 20,552.31, 28,362.32 and 11,600.19 is: 16,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.31 : 28,362.32 = 11,600.19 : x
  2. Step 2: Convert to fraction form
    20,552.31/28,362.32 = 11,600.19/x
  3. Step 3: Cross multiply
    20,552.31x = 28,362.32 × 11,600.19
  4. Step 4: Simplify right side
    20,552.31x = 329,008,242.84
  5. Step 5: Solve for x
    x = 329,008,242.84/20,552.31
  6. Step 6: Final answer
    x = 16,008.33

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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.