Home / 27,032.40-40,525.11-12,985.38

Finding the Fourth Proportional to 27,032.40, 40,525.11 and 12,985.38

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Solution

The fourth proportional to 27,032.40, 40,525.11 and 12,985.38 is: 19,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,032.40 : 40,525.11 = 12,985.38 : x
  2. Step 2: Convert to fraction form
    27,032.40/40,525.11 = 12,985.38/x
  3. Step 3: Cross multiply
    27,032.40x = 40,525.11 × 12,985.38
  4. Step 4: Simplify right side
    27,032.40x = 526,233,952.89
  5. Step 5: Solve for x
    x = 526,233,952.89/27,032.40
  6. Step 6: Final answer
    x = 19,466.79

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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.