Home / 28,999.68-43,466.31-13,384.50

Finding the Fourth Proportional to 28,999.68, 43,466.31 and 13,384.50

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Solution

The fourth proportional to 28,999.68, 43,466.31 and 13,384.50 is: 20,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.68 : 43,466.31 = 13,384.50 : x
  2. Step 2: Convert to fraction form
    28,999.68/43,466.31 = 13,384.50/x
  3. Step 3: Cross multiply
    28,999.68x = 43,466.31 × 13,384.50
  4. Step 4: Simplify right side
    28,999.68x = 581,774,826.20
  5. Step 5: Solve for x
    x = 581,774,826.20/28,999.68
  6. Step 6: Final answer
    x = 20,061.42

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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.