Home / 28,708.68-39,617.94-15,961.46

Finding the Fourth Proportional to 28,708.68, 39,617.94 and 15,961.46

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Solution

The fourth proportional to 28,708.68, 39,617.94 and 15,961.46 is: 22,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.68 : 39,617.94 = 15,961.46 : x
  2. Step 2: Convert to fraction form
    28,708.68/39,617.94 = 15,961.46/x
  3. Step 3: Cross multiply
    28,708.68x = 39,617.94 × 15,961.46
  4. Step 4: Simplify right side
    28,708.68x = 632,360,164.59
  5. Step 5: Solve for x
    x = 632,360,164.59/28,708.68
  6. Step 6: Final answer
    x = 22,026.79

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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.