Home / 27,000.13-40,518.27-11,205.18

Finding the Fourth Proportional to 27,000.13, 40,518.27 and 11,205.18

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Solution

The fourth proportional to 27,000.13, 40,518.27 and 11,205.18 is: 16,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.13 : 40,518.27 = 11,205.18 : x
  2. Step 2: Convert to fraction form
    27,000.13/40,518.27 = 11,205.18/x
  3. Step 3: Cross multiply
    27,000.13x = 40,518.27 × 11,205.18
  4. Step 4: Simplify right side
    27,000.13x = 454,014,508.64
  5. Step 5: Solve for x
    x = 454,014,508.64/27,000.13
  6. Step 6: Final answer
    x = 16,815.27

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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.