Home / 27,027.40-40,530.77-12,983.52

Finding the Fourth Proportional to 27,027.40, 40,530.77 and 12,983.52

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Solution

The fourth proportional to 27,027.40, 40,530.77 and 12,983.52 is: 19,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.40 : 40,530.77 = 12,983.52 : x
  2. Step 2: Convert to fraction form
    27,027.40/40,530.77 = 12,983.52/x
  3. Step 3: Cross multiply
    27,027.40x = 40,530.77 × 12,983.52
  4. Step 4: Simplify right side
    27,027.40x = 526,232,062.91
  5. Step 5: Solve for x
    x = 526,232,062.91/27,027.40
  6. Step 6: Final answer
    x = 19,470.32

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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.