Home / 20,537.39-28,328.54-13,464.26

Finding the Fourth Proportional to 20,537.39, 28,328.54 and 13,464.26

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Solution

The fourth proportional to 20,537.39, 28,328.54 and 13,464.26 is: 18,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.39 : 28,328.54 = 13,464.26 : x
  2. Step 2: Convert to fraction form
    20,537.39/28,328.54 = 13,464.26/x
  3. Step 3: Cross multiply
    20,537.39x = 28,328.54 × 13,464.26
  4. Step 4: Simplify right side
    20,537.39x = 381,422,827.98
  5. Step 5: Solve for x
    x = 381,422,827.98/20,537.39
  6. Step 6: Final answer
    x = 18,572.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.