Home / 28,389.42-39,173.85-16,452.54

Finding the Fourth Proportional to 28,389.42, 39,173.85 and 16,452.54

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Solution

The fourth proportional to 28,389.42, 39,173.85 and 16,452.54 is: 22,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389.42 : 39,173.85 = 16,452.54 : x
  2. Step 2: Convert to fraction form
    28,389.42/39,173.85 = 16,452.54/x
  3. Step 3: Cross multiply
    28,389.42x = 39,173.85 × 16,452.54
  4. Step 4: Simplify right side
    28,389.42x = 644,509,334.08
  5. Step 5: Solve for x
    x = 644,509,334.08/28,389.42
  6. Step 6: Final answer
    x = 22,702.45

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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.