Home / 28,735.59-39,654.86-16,160.07

Finding the Fourth Proportional to 28,735.59, 39,654.86 and 16,160.07

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Solution

The fourth proportional to 28,735.59, 39,654.86 and 16,160.07 is: 22,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.59 : 39,654.86 = 16,160.07 : x
  2. Step 2: Convert to fraction form
    28,735.59/39,654.86 = 16,160.07/x
  3. Step 3: Cross multiply
    28,735.59x = 39,654.86 × 16,160.07
  4. Step 4: Simplify right side
    28,735.59x = 640,825,232.64
  5. Step 5: Solve for x
    x = 640,825,232.64/28,735.59
  6. Step 6: Final answer
    x = 22,300.75

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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.