Home / 28,733.68-39,643.25-17,399.55

Finding the Fourth Proportional to 28,733.68, 39,643.25 and 17,399.55

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Solution

The fourth proportional to 28,733.68, 39,643.25 and 17,399.55 is: 24,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.68 : 39,643.25 = 17,399.55 : x
  2. Step 2: Convert to fraction form
    28,733.68/39,643.25 = 17,399.55/x
  3. Step 3: Cross multiply
    28,733.68x = 39,643.25 × 17,399.55
  4. Step 4: Simplify right side
    28,733.68x = 689,774,623.54
  5. Step 5: Solve for x
    x = 689,774,623.54/28,733.68
  6. Step 6: Final answer
    x = 24,005.79

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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.