Home / 25,897.44-38,780.28-17,119.20

Finding the Fourth Proportional to 25,897.44, 38,780.28 and 17,119.20

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Solution

The fourth proportional to 25,897.44, 38,780.28 and 17,119.20 is: 25,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897.44 : 38,780.28 = 17,119.20 : x
  2. Step 2: Convert to fraction form
    25,897.44/38,780.28 = 17,119.20/x
  3. Step 3: Cross multiply
    25,897.44x = 38,780.28 × 17,119.20
  4. Step 4: Simplify right side
    25,897.44x = 663,887,369.38
  5. Step 5: Solve for x
    x = 663,887,369.38/25,897.44
  6. Step 6: Final answer
    x = 25,635.25

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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.