Home / 26,705.40-40,061.70-9,180.60

Finding the Fourth Proportional to 26,705.40, 40,061.70 and 9,180.60

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Solution

The fourth proportional to 26,705.40, 40,061.70 and 9,180.60 is: 13,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,705.40 : 40,061.70 = 9,180.60 : x
  2. Step 2: Convert to fraction form
    26,705.40/40,061.70 = 9,180.60/x
  3. Step 3: Cross multiply
    26,705.40x = 40,061.70 × 9,180.60
  4. Step 4: Simplify right side
    26,705.40x = 367,790,443.02
  5. Step 5: Solve for x
    x = 367,790,443.02/26,705.40
  6. Step 6: Final answer
    x = 13,772.14

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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.