Home / 28,695.69-39,599.73-16,760.79

Finding the Fourth Proportional to 28,695.69, 39,599.73 and 16,760.79

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Solution

The fourth proportional to 28,695.69, 39,599.73 and 16,760.79 is: 23,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.69 : 39,599.73 = 16,760.79 : x
  2. Step 2: Convert to fraction form
    28,695.69/39,599.73 = 16,760.79/x
  3. Step 3: Cross multiply
    28,695.69x = 39,599.73 × 16,760.79
  4. Step 4: Simplify right side
    28,695.69x = 663,722,758.59
  5. Step 5: Solve for x
    x = 663,722,758.59/28,695.69
  6. Step 6: Final answer
    x = 23,129.70

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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.