Home / 26,031.52-39,028.72-12,172.96

Finding the Fourth Proportional to 26,031.52, 39,028.72 and 12,172.96

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Solution

The fourth proportional to 26,031.52, 39,028.72 and 12,172.96 is: 18,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,031.52 : 39,028.72 = 12,172.96 : x
  2. Step 2: Convert to fraction form
    26,031.52/39,028.72 = 12,172.96/x
  3. Step 3: Cross multiply
    26,031.52x = 39,028.72 × 12,172.96
  4. Step 4: Simplify right side
    26,031.52x = 475,095,047.41
  5. Step 5: Solve for x
    x = 475,095,047.41/26,031.52
  6. Step 6: Final answer
    x = 18,250.76

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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.