Home / 28,798.38-39,743.10-16,052.40

Finding the Fourth Proportional to 28,798.38, 39,743.10 and 16,052.40

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Solution

The fourth proportional to 28,798.38, 39,743.10 and 16,052.40 is: 22,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.38 : 39,743.10 = 16,052.40 : x
  2. Step 2: Convert to fraction form
    28,798.38/39,743.10 = 16,052.40/x
  3. Step 3: Cross multiply
    28,798.38x = 39,743.10 × 16,052.40
  4. Step 4: Simplify right side
    28,798.38x = 637,972,138.44
  5. Step 5: Solve for x
    x = 637,972,138.44/28,798.38
  6. Step 6: Final answer
    x = 22,153.06

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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.