Home / 26,870.33-40,304.80-7,149.05

Finding the Fourth Proportional to 26,870.33, 40,304.80 and 7,149.05

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Solution

The fourth proportional to 26,870.33, 40,304.80 and 7,149.05 is: 10,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.33 : 40,304.80 = 7,149.05 : x
  2. Step 2: Convert to fraction form
    26,870.33/40,304.80 = 7,149.05/x
  3. Step 3: Cross multiply
    26,870.33x = 40,304.80 × 7,149.05
  4. Step 4: Simplify right side
    26,870.33x = 288,141,030.44
  5. Step 5: Solve for x
    x = 288,141,030.44/26,870.33
  6. Step 6: Final answer
    x = 10,723.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.