Home / 28,501.63-42,761.67-13,708.62

Finding the Fourth Proportional to 28,501.63, 42,761.67 and 13,708.62

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Solution

The fourth proportional to 28,501.63, 42,761.67 and 13,708.62 is: 20,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.63 : 42,761.67 = 13,708.62 : x
  2. Step 2: Convert to fraction form
    28,501.63/42,761.67 = 13,708.62/x
  3. Step 3: Cross multiply
    28,501.63x = 42,761.67 × 13,708.62
  4. Step 4: Simplify right side
    28,501.63x = 586,203,433.19
  5. Step 5: Solve for x
    x = 586,203,433.19/28,501.63
  6. Step 6: Final answer
    x = 20,567.37

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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.