Home / 26,185.41-39,226.95-20,931.48

Finding the Fourth Proportional to 26,185.41, 39,226.95 and 20,931.48

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Solution

The fourth proportional to 26,185.41, 39,226.95 and 20,931.48 is: 31,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,185.41 : 39,226.95 = 20,931.48 : x
  2. Step 2: Convert to fraction form
    26,185.41/39,226.95 = 20,931.48/x
  3. Step 3: Cross multiply
    26,185.41x = 39,226.95 × 20,931.48
  4. Step 4: Simplify right side
    26,185.41x = 821,078,119.39
  5. Step 5: Solve for x
    x = 821,078,119.39/26,185.41
  6. Step 6: Final answer
    x = 31,356.32

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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.