Home / 28,874.48-39,823.90-17,543.69

Finding the Fourth Proportional to 28,874.48, 39,823.90 and 17,543.69

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Solution

The fourth proportional to 28,874.48, 39,823.90 and 17,543.69 is: 24,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.48 : 39,823.90 = 17,543.69 : x
  2. Step 2: Convert to fraction form
    28,874.48/39,823.90 = 17,543.69/x
  3. Step 3: Cross multiply
    28,874.48x = 39,823.90 × 17,543.69
  4. Step 4: Simplify right side
    28,874.48x = 698,658,161.24
  5. Step 5: Solve for x
    x = 698,658,161.24/28,874.48
  6. Step 6: Final answer
    x = 24,196.39

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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.