Home / 25,167.76-34,717.16-15,603.28

Finding the Fourth Proportional to 25,167.76, 34,717.16 and 15,603.28

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Solution

The fourth proportional to 25,167.76, 34,717.16 and 15,603.28 is: 21,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.76 : 34,717.16 = 15,603.28 : x
  2. Step 2: Convert to fraction form
    25,167.76/34,717.16 = 15,603.28/x
  3. Step 3: Cross multiply
    25,167.76x = 34,717.16 × 15,603.28
  4. Step 4: Simplify right side
    25,167.76x = 541,701,568.28
  5. Step 5: Solve for x
    x = 541,701,568.28/25,167.76
  6. Step 6: Final answer
    x = 21,523.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.