Home / 29,427.74-40,611.06-15,999.90

Finding the Fourth Proportional to 29,427.74, 40,611.06 and 15,999.90

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Solution

The fourth proportional to 29,427.74, 40,611.06 and 15,999.90 is: 22,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.74 : 40,611.06 = 15,999.90 : x
  2. Step 2: Convert to fraction form
    29,427.74/40,611.06 = 15,999.90/x
  3. Step 3: Cross multiply
    29,427.74x = 40,611.06 × 15,999.90
  4. Step 4: Simplify right side
    29,427.74x = 649,772,898.89
  5. Step 5: Solve for x
    x = 649,772,898.89/29,427.74
  6. Step 6: Final answer
    x = 22,080.29

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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.