Home / 28,698.68-39,610.44-15,956.22

Finding the Fourth Proportional to 28,698.68, 39,610.44 and 15,956.22

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Solution

The fourth proportional to 28,698.68, 39,610.44 and 15,956.22 is: 22,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.68 : 39,610.44 = 15,956.22 : x
  2. Step 2: Convert to fraction form
    28,698.68/39,610.44 = 15,956.22/x
  3. Step 3: Cross multiply
    28,698.68x = 39,610.44 × 15,956.22
  4. Step 4: Simplify right side
    28,698.68x = 632,032,754.14
  5. Step 5: Solve for x
    x = 632,032,754.14/28,698.68
  6. Step 6: Final answer
    x = 22,023.06

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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.