Home / 28,936.17-39,939.21-16,368.21

Finding the Fourth Proportional to 28,936.17, 39,939.21 and 16,368.21

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Solution

The fourth proportional to 28,936.17, 39,939.21 and 16,368.21 is: 22,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.17 : 39,939.21 = 16,368.21 : x
  2. Step 2: Convert to fraction form
    28,936.17/39,939.21 = 16,368.21/x
  3. Step 3: Cross multiply
    28,936.17x = 39,939.21 × 16,368.21
  4. Step 4: Simplify right side
    28,936.17x = 653,733,376.51
  5. Step 5: Solve for x
    x = 653,733,376.51/28,936.17
  6. Step 6: Final answer
    x = 22,592.26

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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.