Home / 21,744.80-32,617.40-11,376.80

Finding the Fourth Proportional to 21,744.80, 32,617.40 and 11,376.80

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Solution

The fourth proportional to 21,744.80, 32,617.40 and 11,376.80 is: 17,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.80 : 32,617.40 = 11,376.80 : x
  2. Step 2: Convert to fraction form
    21,744.80/32,617.40 = 11,376.80/x
  3. Step 3: Cross multiply
    21,744.80x = 32,617.40 × 11,376.80
  4. Step 4: Simplify right side
    21,744.80x = 371,081,636.32
  5. Step 5: Solve for x
    x = 371,081,636.32/21,744.80
  6. Step 6: Final answer
    x = 17,065.30

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1.5x scale

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.