Home / 26,990.10-40,485.15-7,270.19

Finding the Fourth Proportional to 26,990.10, 40,485.15 and 7,270.19

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Solution

The fourth proportional to 26,990.10, 40,485.15 and 7,270.19 is: 10,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.10 : 40,485.15 = 7,270.19 : x
  2. Step 2: Convert to fraction form
    26,990.10/40,485.15 = 7,270.19/x
  3. Step 3: Cross multiply
    26,990.10x = 40,485.15 × 7,270.19
  4. Step 4: Simplify right side
    26,990.10x = 294,334,732.68
  5. Step 5: Solve for x
    x = 294,334,732.68/26,990.10
  6. Step 6: Final answer
    x = 10,905.29

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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.