Home / 28,674.62-42,963.38-17,558.09

Finding the Fourth Proportional to 28,674.62, 42,963.38 and 17,558.09

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Solution

The fourth proportional to 28,674.62, 42,963.38 and 17,558.09 is: 26,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674.62 : 42,963.38 = 17,558.09 : x
  2. Step 2: Convert to fraction form
    28,674.62/42,963.38 = 17,558.09/x
  3. Step 3: Cross multiply
    28,674.62x = 42,963.38 × 17,558.09
  4. Step 4: Simplify right side
    28,674.62x = 754,354,721.82
  5. Step 5: Solve for x
    x = 754,354,721.82/28,674.62
  6. Step 6: Final answer
    x = 26,307.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.