Home / 28,237.96-38,963.94-16,299.07

Finding the Fourth Proportional to 28,237.96, 38,963.94 and 16,299.07

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Solution

The fourth proportional to 28,237.96, 38,963.94 and 16,299.07 is: 22,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.96 : 38,963.94 = 16,299.07 : x
  2. Step 2: Convert to fraction form
    28,237.96/38,963.94 = 16,299.07/x
  3. Step 3: Cross multiply
    28,237.96x = 38,963.94 × 16,299.07
  4. Step 4: Simplify right side
    28,237.96x = 635,075,790.72
  5. Step 5: Solve for x
    x = 635,075,790.72/28,237.96
  6. Step 6: Final answer
    x = 22,490.15

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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.