Home / 21,453.44-29,574.73-15,060.57

Finding the Fourth Proportional to 21,453.44, 29,574.73 and 15,060.57

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Solution

The fourth proportional to 21,453.44, 29,574.73 and 15,060.57 is: 20,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.44 : 29,574.73 = 15,060.57 : x
  2. Step 2: Convert to fraction form
    21,453.44/29,574.73 = 15,060.57/x
  3. Step 3: Cross multiply
    21,453.44x = 29,574.73 × 15,060.57
  4. Step 4: Simplify right side
    21,453.44x = 445,412,345.26
  5. Step 5: Solve for x
    x = 445,412,345.26/21,453.44
  6. Step 6: Final answer
    x = 20,761.81

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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.