Home / 21,647.38-32,425.49-18,348.93

Finding the Fourth Proportional to 21,647.38, 32,425.49 and 18,348.93

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Solution

The fourth proportional to 21,647.38, 32,425.49 and 18,348.93 is: 27,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.38 : 32,425.49 = 18,348.93 : x
  2. Step 2: Convert to fraction form
    21,647.38/32,425.49 = 18,348.93/x
  3. Step 3: Cross multiply
    21,647.38x = 32,425.49 × 18,348.93
  4. Step 4: Simplify right side
    21,647.38x = 594,972,884.10
  5. Step 5: Solve for x
    x = 594,972,884.10/21,647.38
  6. Step 6: Final answer
    x = 27,484.75

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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.