Home / 26,705.40-40,025.70-11,898.60

Finding the Fourth Proportional to 26,705.40, 40,025.70 and 11,898.60

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Solution

The fourth proportional to 26,705.40, 40,025.70 and 11,898.60 is: 17,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,705.40 : 40,025.70 = 11,898.60 : x
  2. Step 2: Convert to fraction form
    26,705.40/40,025.70 = 11,898.60/x
  3. Step 3: Cross multiply
    26,705.40x = 40,025.70 × 11,898.60
  4. Step 4: Simplify right side
    26,705.40x = 476,249,794.02
  5. Step 5: Solve for x
    x = 476,249,794.02/26,705.40
  6. Step 6: Final answer
    x = 17,833.46

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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.