Home / 21,623.98-29,814.58-17,782.19

Finding the Fourth Proportional to 21,623.98, 29,814.58 and 17,782.19

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Solution

The fourth proportional to 21,623.98, 29,814.58 and 17,782.19 is: 24,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.98 : 29,814.58 = 17,782.19 : x
  2. Step 2: Convert to fraction form
    21,623.98/29,814.58 = 17,782.19/x
  3. Step 3: Cross multiply
    21,623.98x = 29,814.58 × 17,782.19
  4. Step 4: Simplify right side
    21,623.98x = 530,168,437.42
  5. Step 5: Solve for x
    x = 530,168,437.42/21,623.98
  6. Step 6: Final answer
    x = 24,517.62

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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.