Home / 26,467.60-39,643.80-17,136.40

Finding the Fourth Proportional to 26,467.60, 39,643.80 and 17,136.40

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Solution

The fourth proportional to 26,467.60, 39,643.80 and 17,136.40 is: 25,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,467.60 : 39,643.80 = 17,136.40 : x
  2. Step 2: Convert to fraction form
    26,467.60/39,643.80 = 17,136.40/x
  3. Step 3: Cross multiply
    26,467.60x = 39,643.80 × 17,136.40
  4. Step 4: Simplify right side
    26,467.60x = 679,352,014.32
  5. Step 5: Solve for x
    x = 679,352,014.32/26,467.60
  6. Step 6: Final answer
    x = 25,667.31

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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.