Home / 26,884.16-40,318.08-18,617.28

Finding the Fourth Proportional to 26,884.16, 40,318.08 and 18,617.28

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Solution

The fourth proportional to 26,884.16, 40,318.08 and 18,617.28 is: 27,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,884.16 : 40,318.08 = 18,617.28 : x
  2. Step 2: Convert to fraction form
    26,884.16/40,318.08 = 18,617.28/x
  3. Step 3: Cross multiply
    26,884.16x = 40,318.08 × 18,617.28
  4. Step 4: Simplify right side
    26,884.16x = 750,612,984.42
  5. Step 5: Solve for x
    x = 750,612,984.42/26,884.16
  6. Step 6: Final answer
    x = 27,920.27

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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.