Home / 26,435.43-39,618.95-20,172.33

Finding the Fourth Proportional to 26,435.43, 39,618.95 and 20,172.33

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Solution

The fourth proportional to 26,435.43, 39,618.95 and 20,172.33 is: 30,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.43 : 39,618.95 = 20,172.33 : x
  2. Step 2: Convert to fraction form
    26,435.43/39,618.95 = 20,172.33/x
  3. Step 3: Cross multiply
    26,435.43x = 39,618.95 × 20,172.33
  4. Step 4: Simplify right side
    26,435.43x = 799,206,432.79
  5. Step 5: Solve for x
    x = 799,206,432.79/26,435.43
  6. Step 6: Final answer
    x = 30,232.40

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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.