Home / 28,738.37-43,071-12,926.49

Finding the Fourth Proportional to 28,738.37, 43,071 and 12,926.49

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Solution

The fourth proportional to 28,738.37, 43,071 and 12,926.49 is: 19,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.37 : 43,071 = 12,926.49 : x
  2. Step 2: Convert to fraction form
    28,738.37/43,071 = 12,926.49/x
  3. Step 3: Cross multiply
    28,738.37x = 43,071 × 12,926.49
  4. Step 4: Simplify right side
    28,738.37x = 556,756,850.79
  5. Step 5: Solve for x
    x = 556,756,850.79/28,738.37
  6. Step 6: Final answer
    x = 19,373.30

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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.