Home / 26,405.31-36,439.33-14,469.12

Finding the Fourth Proportional to 26,405.31, 36,439.33 and 14,469.12

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Solution

The fourth proportional to 26,405.31, 36,439.33 and 14,469.12 is: 19,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.31 : 36,439.33 = 14,469.12 : x
  2. Step 2: Convert to fraction form
    26,405.31/36,439.33 = 14,469.12/x
  3. Step 3: Cross multiply
    26,405.31x = 36,439.33 × 14,469.12
  4. Step 4: Simplify right side
    26,405.31x = 527,245,038.49
  5. Step 5: Solve for x
    x = 527,245,038.49/26,405.31
  6. Step 6: Final answer
    x = 19,967.39

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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.