Home / 28,052.10-38,702.32-15,951.38

Finding the Fourth Proportional to 28,052.10, 38,702.32 and 15,951.38

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Solution

The fourth proportional to 28,052.10, 38,702.32 and 15,951.38 is: 22,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.10 : 38,702.32 = 15,951.38 : x
  2. Step 2: Convert to fraction form
    28,052.10/38,702.32 = 15,951.38/x
  3. Step 3: Cross multiply
    28,052.10x = 38,702.32 × 15,951.38
  4. Step 4: Simplify right side
    28,052.10x = 617,355,179.81
  5. Step 5: Solve for x
    x = 617,355,179.81/28,052.10
  6. Step 6: Final answer
    x = 22,007.45

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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.