Home / 28,495.25-39,322.38-16,397.60

Finding the Fourth Proportional to 28,495.25, 39,322.38 and 16,397.60

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Solution

The fourth proportional to 28,495.25, 39,322.38 and 16,397.60 is: 22,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.25 : 39,322.38 = 16,397.60 : x
  2. Step 2: Convert to fraction form
    28,495.25/39,322.38 = 16,397.60/x
  3. Step 3: Cross multiply
    28,495.25x = 39,322.38 × 16,397.60
  4. Step 4: Simplify right side
    28,495.25x = 644,792,658.29
  5. Step 5: Solve for x
    x = 644,792,658.29/28,495.25
  6. Step 6: Final answer
    x = 22,628.08

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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.