Home / 25,942.32-38,879.64-11,897.28

Finding the Fourth Proportional to 25,942.32, 38,879.64 and 11,897.28

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Solution

The fourth proportional to 25,942.32, 38,879.64 and 11,897.28 is: 17,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.32 : 38,879.64 = 11,897.28 : x
  2. Step 2: Convert to fraction form
    25,942.32/38,879.64 = 11,897.28/x
  3. Step 3: Cross multiply
    25,942.32x = 38,879.64 × 11,897.28
  4. Step 4: Simplify right side
    25,942.32x = 462,561,963.38
  5. Step 5: Solve for x
    x = 462,561,963.38/25,942.32
  6. Step 6: Final answer
    x = 17,830.40

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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.