Home / 28,493.30-39,322.26-17,166.35

Finding the Fourth Proportional to 28,493.30, 39,322.26 and 17,166.35

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Solution

The fourth proportional to 28,493.30, 39,322.26 and 17,166.35 is: 23,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.30 : 39,322.26 = 17,166.35 : x
  2. Step 2: Convert to fraction form
    28,493.30/39,322.26 = 17,166.35/x
  3. Step 3: Cross multiply
    28,493.30x = 39,322.26 × 17,166.35
  4. Step 4: Simplify right side
    28,493.30x = 675,019,776.26
  5. Step 5: Solve for x
    x = 675,019,776.26/28,493.30
  6. Step 6: Final answer
    x = 23,690.47

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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.