Home / 28,864.35-39,841.88-16,932.51

Finding the Fourth Proportional to 28,864.35, 39,841.88 and 16,932.51

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Solution

The fourth proportional to 28,864.35, 39,841.88 and 16,932.51 is: 23,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.35 : 39,841.88 = 16,932.51 : x
  2. Step 2: Convert to fraction form
    28,864.35/39,841.88 = 16,932.51/x
  3. Step 3: Cross multiply
    28,864.35x = 39,841.88 × 16,932.51
  4. Step 4: Simplify right side
    28,864.35x = 674,622,946.86
  5. Step 5: Solve for x
    x = 674,622,946.86/28,864.35
  6. Step 6: Final answer
    x = 23,372.19

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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.