Home / 21,931.26-33,018.23-15,050.94

Finding the Fourth Proportional to 21,931.26, 33,018.23 and 15,050.94

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Solution

The fourth proportional to 21,931.26, 33,018.23 and 15,050.94 is: 22,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931.26 : 33,018.23 = 15,050.94 : x
  2. Step 2: Convert to fraction form
    21,931.26/33,018.23 = 15,050.94/x
  3. Step 3: Cross multiply
    21,931.26x = 33,018.23 × 15,050.94
  4. Step 4: Simplify right side
    21,931.26x = 496,955,323.38
  5. Step 5: Solve for x
    x = 496,955,323.38/21,931.26
  6. Step 6: Final answer
    x = 22,659.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.