Home / 28,543.56-39,387.36-16,606.68

Finding the Fourth Proportional to 28,543.56, 39,387.36 and 16,606.68

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Solution

The fourth proportional to 28,543.56, 39,387.36 and 16,606.68 is: 22,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.56 : 39,387.36 = 16,606.68 : x
  2. Step 2: Convert to fraction form
    28,543.56/39,387.36 = 16,606.68/x
  3. Step 3: Cross multiply
    28,543.56x = 39,387.36 × 16,606.68
  4. Step 4: Simplify right side
    28,543.56x = 654,093,283.56
  5. Step 5: Solve for x
    x = 654,093,283.56/28,543.56
  6. Step 6: Final answer
    x = 22,915.62

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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.