Home / 18,648.50-27,984.56-16,897.08

Finding the Fourth Proportional to 18,648.50, 27,984.56 and 16,897.08

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Solution

The fourth proportional to 18,648.50, 27,984.56 and 16,897.08 is: 25,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.50 : 27,984.56 = 16,897.08 : x
  2. Step 2: Convert to fraction form
    18,648.50/27,984.56 = 16,897.08/x
  3. Step 3: Cross multiply
    18,648.50x = 27,984.56 × 16,897.08
  4. Step 4: Simplify right side
    18,648.50x = 472,857,349.08
  5. Step 5: Solve for x
    x = 472,857,349.08/18,648.50
  6. Step 6: Final answer
    x = 25,356.32

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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.