Home / 26,920.70-40,336.62-15,644.39

Finding the Fourth Proportional to 26,920.70, 40,336.62 and 15,644.39

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Solution

The fourth proportional to 26,920.70, 40,336.62 and 15,644.39 is: 23,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.70 : 40,336.62 = 15,644.39 : x
  2. Step 2: Convert to fraction form
    26,920.70/40,336.62 = 15,644.39/x
  3. Step 3: Cross multiply
    26,920.70x = 40,336.62 × 15,644.39
  4. Step 4: Simplify right side
    26,920.70x = 631,041,915.40
  5. Step 5: Solve for x
    x = 631,041,915.40/26,920.70
  6. Step 6: Final answer
    x = 23,440.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.