Home / 27,305.12-40,930.32-17,455.52

Finding the Fourth Proportional to 27,305.12, 40,930.32 and 17,455.52

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Solution

The fourth proportional to 27,305.12, 40,930.32 and 17,455.52 is: 26,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.12 : 40,930.32 = 17,455.52 : x
  2. Step 2: Convert to fraction form
    27,305.12/40,930.32 = 17,455.52/x
  3. Step 3: Cross multiply
    27,305.12x = 40,930.32 × 17,455.52
  4. Step 4: Simplify right side
    27,305.12x = 714,460,019.37
  5. Step 5: Solve for x
    x = 714,460,019.37/27,305.12
  6. Step 6: Final answer
    x = 26,165.79

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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.