Home / 18,298.32-27,403.72-17,379.80

Finding the Fourth Proportional to 18,298.32, 27,403.72 and 17,379.80

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Solution

The fourth proportional to 18,298.32, 27,403.72 and 17,379.80 is: 26,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.32 : 27,403.72 = 17,379.80 : x
  2. Step 2: Convert to fraction form
    18,298.32/27,403.72 = 17,379.80/x
  3. Step 3: Cross multiply
    18,298.32x = 27,403.72 × 17,379.80
  4. Step 4: Simplify right side
    18,298.32x = 476,271,172.86
  5. Step 5: Solve for x
    x = 476,271,172.86/18,298.32
  6. Step 6: Final answer
    x = 26,028.14

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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.