Home / 28,205.39-38,925.07-16,269.23

Finding the Fourth Proportional to 28,205.39, 38,925.07 and 16,269.23

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Solution

The fourth proportional to 28,205.39, 38,925.07 and 16,269.23 is: 22,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.39 : 38,925.07 = 16,269.23 : x
  2. Step 2: Convert to fraction form
    28,205.39/38,925.07 = 16,269.23/x
  3. Step 3: Cross multiply
    28,205.39x = 38,925.07 × 16,269.23
  4. Step 4: Simplify right side
    28,205.39x = 633,280,681.30
  5. Step 5: Solve for x
    x = 633,280,681.30/28,205.39
  6. Step 6: Final answer
    x = 22,452.47

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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.