Home / 21,792.94-30,037.71-16,686.70

Finding the Fourth Proportional to 21,792.94, 30,037.71 and 16,686.70

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Solution

The fourth proportional to 21,792.94, 30,037.71 and 16,686.70 is: 22,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.94 : 30,037.71 = 16,686.70 : x
  2. Step 2: Convert to fraction form
    21,792.94/30,037.71 = 16,686.70/x
  3. Step 3: Cross multiply
    21,792.94x = 30,037.71 × 16,686.70
  4. Step 4: Simplify right side
    21,792.94x = 501,230,255.46
  5. Step 5: Solve for x
    x = 501,230,255.46/21,792.94
  6. Step 6: Final answer
    x = 22,999.66

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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.