Home / 28,543.61-39,398.10-16,609.26

Finding the Fourth Proportional to 28,543.61, 39,398.10 and 16,609.26

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Solution

The fourth proportional to 28,543.61, 39,398.10 and 16,609.26 is: 22,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.61 : 39,398.10 = 16,609.26 : x
  2. Step 2: Convert to fraction form
    28,543.61/39,398.10 = 16,609.26/x
  3. Step 3: Cross multiply
    28,543.61x = 39,398.10 × 16,609.26
  4. Step 4: Simplify right side
    28,543.61x = 654,373,286.41
  5. Step 5: Solve for x
    x = 654,373,286.41/28,543.61
  6. Step 6: Final answer
    x = 22,925.39

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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.