Home / 28,685.88-39,590.22-16,110.63

Finding the Fourth Proportional to 28,685.88, 39,590.22 and 16,110.63

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Solution

The fourth proportional to 28,685.88, 39,590.22 and 16,110.63 is: 22,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685.88 : 39,590.22 = 16,110.63 : x
  2. Step 2: Convert to fraction form
    28,685.88/39,590.22 = 16,110.63/x
  3. Step 3: Cross multiply
    28,685.88x = 39,590.22 × 16,110.63
  4. Step 4: Simplify right side
    28,685.88x = 637,823,386.04
  5. Step 5: Solve for x
    x = 637,823,386.04/28,685.88
  6. Step 6: Final answer
    x = 22,234.75

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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.