Home / 28,771.79-39,702.23-16,024.53

Finding the Fourth Proportional to 28,771.79, 39,702.23 and 16,024.53

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Solution

The fourth proportional to 28,771.79, 39,702.23 and 16,024.53 is: 22,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.79 : 39,702.23 = 16,024.53 : x
  2. Step 2: Convert to fraction form
    28,771.79/39,702.23 = 16,024.53/x
  3. Step 3: Cross multiply
    28,771.79x = 39,702.23 × 16,024.53
  4. Step 4: Simplify right side
    28,771.79x = 636,209,704.55
  5. Step 5: Solve for x
    x = 636,209,704.55/28,771.79
  6. Step 6: Final answer
    x = 22,112.28

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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.