Home / 28,051.41-38,708.13-16,564.53

Finding the Fourth Proportional to 28,051.41, 38,708.13 and 16,564.53

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Solution

The fourth proportional to 28,051.41, 38,708.13 and 16,564.53 is: 22,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.41 : 38,708.13 = 16,564.53 : x
  2. Step 2: Convert to fraction form
    28,051.41/38,708.13 = 16,564.53/x
  3. Step 3: Cross multiply
    28,051.41x = 38,708.13 × 16,564.53
  4. Step 4: Simplify right side
    28,051.41x = 641,181,980.63
  5. Step 5: Solve for x
    x = 641,181,980.63/28,051.41
  6. Step 6: Final answer
    x = 22,857.39

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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.