Home / 26,271.12-39,406.68-15,860.88

Finding the Fourth Proportional to 26,271.12, 39,406.68 and 15,860.88

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Solution

The fourth proportional to 26,271.12, 39,406.68 and 15,860.88 is: 23,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.12 : 39,406.68 = 15,860.88 : x
  2. Step 2: Convert to fraction form
    26,271.12/39,406.68 = 15,860.88/x
  3. Step 3: Cross multiply
    26,271.12x = 39,406.68 × 15,860.88
  4. Step 4: Simplify right side
    26,271.12x = 625,024,622.68
  5. Step 5: Solve for x
    x = 625,024,622.68/26,271.12
  6. Step 6: Final answer
    x = 23,791.32

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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.