Home / 29,427.99-40,611.15-15,999.54

Finding the Fourth Proportional to 29,427.99, 40,611.15 and 15,999.54

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Solution

The fourth proportional to 29,427.99, 40,611.15 and 15,999.54 is: 22,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.99 : 40,611.15 = 15,999.54 : x
  2. Step 2: Convert to fraction form
    29,427.99/40,611.15 = 15,999.54/x
  3. Step 3: Cross multiply
    29,427.99x = 40,611.15 × 15,999.54
  4. Step 4: Simplify right side
    29,427.99x = 649,759,718.87
  5. Step 5: Solve for x
    x = 649,759,718.87/29,427.99
  6. Step 6: Final answer
    x = 22,079.65

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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.