Home / 26,480.04-39,642.30-20,894.28

Finding the Fourth Proportional to 26,480.04, 39,642.30 and 20,894.28

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Solution

The fourth proportional to 26,480.04, 39,642.30 and 20,894.28 is: 31,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.04 : 39,642.30 = 20,894.28 : x
  2. Step 2: Convert to fraction form
    26,480.04/39,642.30 = 20,894.28/x
  3. Step 3: Cross multiply
    26,480.04x = 39,642.30 × 20,894.28
  4. Step 4: Simplify right side
    26,480.04x = 828,297,316.04
  5. Step 5: Solve for x
    x = 828,297,316.04/26,480.04
  6. Step 6: Final answer
    x = 31,280.06

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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.