Home / 28,958.40-39,807.60-26,107.20

Finding the Fourth Proportional to 28,958.40, 39,807.60 and 26,107.20

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Solution

The fourth proportional to 28,958.40, 39,807.60 and 26,107.20 is: 35,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.40 : 39,807.60 = 26,107.20 : x
  2. Step 2: Convert to fraction form
    28,958.40/39,807.60 = 26,107.20/x
  3. Step 3: Cross multiply
    28,958.40x = 39,807.60 × 26,107.20
  4. Step 4: Simplify right side
    28,958.40x = 1,039,264,974.72
  5. Step 5: Solve for x
    x = 1,039,264,974.72/28,958.40
  6. Step 6: Final answer
    x = 35,888.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.