Home / 26,031.40-39,041.25-11,977.95

Finding the Fourth Proportional to 26,031.40, 39,041.25 and 11,977.95

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Solution

The fourth proportional to 26,031.40, 39,041.25 and 11,977.95 is: 17,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,031.40 : 39,041.25 = 11,977.95 : x
  2. Step 2: Convert to fraction form
    26,031.40/39,041.25 = 11,977.95/x
  3. Step 3: Cross multiply
    26,031.40x = 39,041.25 × 11,977.95
  4. Step 4: Simplify right side
    26,031.40x = 467,634,140.44
  5. Step 5: Solve for x
    x = 467,634,140.44/26,031.40
  6. Step 6: Final answer
    x = 17,964.23

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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.