Home / 28,881.69-43,328.60-16,407.48

Finding the Fourth Proportional to 28,881.69, 43,328.60 and 16,407.48

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Solution

The fourth proportional to 28,881.69, 43,328.60 and 16,407.48 is: 24,614.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.69 : 43,328.60 = 16,407.48 : x
  2. Step 2: Convert to fraction form
    28,881.69/43,328.60 = 16,407.48/x
  3. Step 3: Cross multiply
    28,881.69x = 43,328.60 × 16,407.48
  4. Step 4: Simplify right side
    28,881.69x = 710,913,137.93
  5. Step 5: Solve for x
    x = 710,913,137.93/28,881.69
  6. Step 6: Final answer
    x = 24,614.67

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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.