Home / 28,791.89-39,732.14-16,045.01

Finding the Fourth Proportional to 28,791.89, 39,732.14 and 16,045.01

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Solution

The fourth proportional to 28,791.89, 39,732.14 and 16,045.01 is: 22,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.89 : 39,732.14 = 16,045.01 : x
  2. Step 2: Convert to fraction form
    28,791.89/39,732.14 = 16,045.01/x
  3. Step 3: Cross multiply
    28,791.89x = 39,732.14 × 16,045.01
  4. Step 4: Simplify right side
    28,791.89x = 637,502,304.74
  5. Step 5: Solve for x
    x = 637,502,304.74/28,791.89
  6. Step 6: Final answer
    x = 22,141.74

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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.