Home / 29,121.06-40,187.01-15,873.06

Finding the Fourth Proportional to 29,121.06, 40,187.01 and 15,873.06

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Solution

The fourth proportional to 29,121.06, 40,187.01 and 15,873.06 is: 21,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.06 : 40,187.01 = 15,873.06 : x
  2. Step 2: Convert to fraction form
    29,121.06/40,187.01 = 15,873.06/x
  3. Step 3: Cross multiply
    29,121.06x = 40,187.01 × 15,873.06
  4. Step 4: Simplify right side
    29,121.06x = 637,890,820.95
  5. Step 5: Solve for x
    x = 637,890,820.95/29,121.06
  6. Step 6: Final answer
    x = 21,904.79

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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.