Home / 28,980.30-39,954.20-26,027.84

Finding the Fourth Proportional to 28,980.30, 39,954.20 and 26,027.84

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Solution

The fourth proportional to 28,980.30, 39,954.20 and 26,027.84 is: 35,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.30 : 39,954.20 = 26,027.84 : x
  2. Step 2: Convert to fraction form
    28,980.30/39,954.20 = 26,027.84/x
  3. Step 3: Cross multiply
    28,980.30x = 39,954.20 × 26,027.84
  4. Step 4: Simplify right side
    28,980.30x = 1,039,921,524.93
  5. Step 5: Solve for x
    x = 1,039,921,524.93/28,980.30
  6. Step 6: Final answer
    x = 35,883.74

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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.