Home / 28,916.67-39,908.25-16,342.23

Finding the Fourth Proportional to 28,916.67, 39,908.25 and 16,342.23

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Solution

The fourth proportional to 28,916.67, 39,908.25 and 16,342.23 is: 22,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.67 : 39,908.25 = 16,342.23 : x
  2. Step 2: Convert to fraction form
    28,916.67/39,908.25 = 16,342.23/x
  3. Step 3: Cross multiply
    28,916.67x = 39,908.25 × 16,342.23
  4. Step 4: Simplify right side
    28,916.67x = 652,189,800.40
  5. Step 5: Solve for x
    x = 652,189,800.40/28,916.67
  6. Step 6: Final answer
    x = 22,554.11

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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.