Home / 28,943.56-39,942.90-16,368.04

Finding the Fourth Proportional to 28,943.56, 39,942.90 and 16,368.04

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Solution

The fourth proportional to 28,943.56, 39,942.90 and 16,368.04 is: 22,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.56 : 39,942.90 = 16,368.04 : x
  2. Step 2: Convert to fraction form
    28,943.56/39,942.90 = 16,368.04/x
  3. Step 3: Cross multiply
    28,943.56x = 39,942.90 × 16,368.04
  4. Step 4: Simplify right side
    28,943.56x = 653,786,984.92
  5. Step 5: Solve for x
    x = 653,786,984.92/28,943.56
  6. Step 6: Final answer
    x = 22,588.34

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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.