Home / 27,031.23-37,339.11-21,745.98

Finding the Fourth Proportional to 27,031.23, 37,339.11 and 21,745.98

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Solution

The fourth proportional to 27,031.23, 37,339.11 and 21,745.98 is: 30,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.23 : 37,339.11 = 21,745.98 : x
  2. Step 2: Convert to fraction form
    27,031.23/37,339.11 = 21,745.98/x
  3. Step 3: Cross multiply
    27,031.23x = 37,339.11 × 21,745.98
  4. Step 4: Simplify right side
    27,031.23x = 811,975,539.28
  5. Step 5: Solve for x
    x = 811,975,539.28/27,031.23
  6. Step 6: Final answer
    x = 30,038.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.