Home / 21,568.52-29,570.44-21,174.86

Finding the Fourth Proportional to 21,568.52, 29,570.44 and 21,174.86

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Solution

The fourth proportional to 21,568.52, 29,570.44 and 21,174.86 is: 29,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.52 : 29,570.44 = 21,174.86 : x
  2. Step 2: Convert to fraction form
    21,568.52/29,570.44 = 21,174.86/x
  3. Step 3: Cross multiply
    21,568.52x = 29,570.44 × 21,174.86
  4. Step 4: Simplify right side
    21,568.52x = 626,149,927.14
  5. Step 5: Solve for x
    x = 626,149,927.14/21,568.52
  6. Step 6: Final answer
    x = 29,030.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.