Home / 26,860.40-40,290.60-20,632.40

Finding the Fourth Proportional to 26,860.40, 40,290.60 and 20,632.40

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Solution

The fourth proportional to 26,860.40, 40,290.60 and 20,632.40 is: 30,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.40 : 40,290.60 = 20,632.40 : x
  2. Step 2: Convert to fraction form
    26,860.40/40,290.60 = 20,632.40/x
  3. Step 3: Cross multiply
    26,860.40x = 40,290.60 × 20,632.40
  4. Step 4: Simplify right side
    26,860.40x = 831,291,775.44
  5. Step 5: Solve for x
    x = 831,291,775.44/26,860.40
  6. Step 6: Final answer
    x = 30,948.60

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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.