Home / 26,190.36-36,133.52-15,578.55

Finding the Fourth Proportional to 26,190.36, 36,133.52 and 15,578.55

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Solution

The fourth proportional to 26,190.36, 36,133.52 and 15,578.55 is: 21,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.36 : 36,133.52 = 15,578.55 : x
  2. Step 2: Convert to fraction form
    26,190.36/36,133.52 = 15,578.55/x
  3. Step 3: Cross multiply
    26,190.36x = 36,133.52 × 15,578.55
  4. Step 4: Simplify right side
    26,190.36x = 562,907,770.10
  5. Step 5: Solve for x
    x = 562,907,770.10/26,190.36
  6. Step 6: Final answer
    x = 21,492.94

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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.