Home / 27,029.76-40,534.20-12,980.84

Finding the Fourth Proportional to 27,029.76, 40,534.20 and 12,980.84

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Solution

The fourth proportional to 27,029.76, 40,534.20 and 12,980.84 is: 19,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,029.76 : 40,534.20 = 12,980.84 : x
  2. Step 2: Convert to fraction form
    27,029.76/40,534.20 = 12,980.84/x
  3. Step 3: Cross multiply
    27,029.76x = 40,534.20 × 12,980.84
  4. Step 4: Simplify right side
    27,029.76x = 526,167,964.73
  5. Step 5: Solve for x
    x = 526,167,964.73/27,029.76
  6. Step 6: Final answer
    x = 19,466.25

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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.