Home / 43,127.64-64,740.67-28,906.67

Finding the Fourth Proportional to 43,127.64, 64,740.67 and 28,906.67

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Solution

The fourth proportional to 43,127.64, 64,740.67 and 28,906.67 is: 43,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.64 : 64,740.67 = 28,906.67 : x
  2. Step 2: Convert to fraction form
    43,127.64/64,740.67 = 28,906.67/x
  3. Step 3: Cross multiply
    43,127.64x = 64,740.67 × 28,906.67
  4. Step 4: Simplify right side
    43,127.64x = 1,871,437,272.85
  5. Step 5: Solve for x
    x = 1,871,437,272.85/43,127.64
  6. Step 6: Final answer
    x = 43,392.99

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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.