Home / 28,820.88-43,193.64-14,769

Finding the Fourth Proportional to 28,820.88, 43,193.64 and 14,769

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Solution

The fourth proportional to 28,820.88, 43,193.64 and 14,769 is: 22,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.88 : 43,193.64 = 14,769 : x
  2. Step 2: Convert to fraction form
    28,820.88/43,193.64 = 14,769/x
  3. Step 3: Cross multiply
    28,820.88x = 43,193.64 × 14,769
  4. Step 4: Simplify right side
    28,820.88x = 637,926,869.16
  5. Step 5: Solve for x
    x = 637,926,869.16/28,820.88
  6. Step 6: Final answer
    x = 22,134.19

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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.