Home / 28,293.55-39,046.15-16,964.89

Finding the Fourth Proportional to 28,293.55, 39,046.15 and 16,964.89

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Solution

The fourth proportional to 28,293.55, 39,046.15 and 16,964.89 is: 23,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.55 : 39,046.15 = 16,964.89 : x
  2. Step 2: Convert to fraction form
    28,293.55/39,046.15 = 16,964.89/x
  3. Step 3: Cross multiply
    28,293.55x = 39,046.15 × 16,964.89
  4. Step 4: Simplify right side
    28,293.55x = 662,413,563.26
  5. Step 5: Solve for x
    x = 662,413,563.26/28,293.55
  6. Step 6: Final answer
    x = 23,412.18

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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.