Home / 21,693.42-29,952.36-17,149.32

Finding the Fourth Proportional to 21,693.42, 29,952.36 and 17,149.32

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Solution

The fourth proportional to 21,693.42, 29,952.36 and 17,149.32 is: 23,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.42 : 29,952.36 = 17,149.32 : x
  2. Step 2: Convert to fraction form
    21,693.42/29,952.36 = 17,149.32/x
  3. Step 3: Cross multiply
    21,693.42x = 29,952.36 × 17,149.32
  4. Step 4: Simplify right side
    21,693.42x = 513,662,606.40
  5. Step 5: Solve for x
    x = 513,662,606.40/21,693.42
  6. Step 6: Final answer
    x = 23,678.27

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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.