Home / 28,348.62-39,116.94-17,015.72

Finding the Fourth Proportional to 28,348.62, 39,116.94 and 17,015.72

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Solution

The fourth proportional to 28,348.62, 39,116.94 and 17,015.72 is: 23,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.62 : 39,116.94 = 17,015.72 : x
  2. Step 2: Convert to fraction form
    28,348.62/39,116.94 = 17,015.72/x
  3. Step 3: Cross multiply
    28,348.62x = 39,116.94 × 17,015.72
  4. Step 4: Simplify right side
    28,348.62x = 665,602,702.71
  5. Step 5: Solve for x
    x = 665,602,702.71/28,348.62
  6. Step 6: Final answer
    x = 23,479.19

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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.