Home / 28,891.36-39,882.35-17,564.47

Finding the Fourth Proportional to 28,891.36, 39,882.35 and 17,564.47

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Solution

The fourth proportional to 28,891.36, 39,882.35 and 17,564.47 is: 24,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.36 : 39,882.35 = 17,564.47 : x
  2. Step 2: Convert to fraction form
    28,891.36/39,882.35 = 17,564.47/x
  3. Step 3: Cross multiply
    28,891.36x = 39,882.35 × 17,564.47
  4. Step 4: Simplify right side
    28,891.36x = 700,512,408.83
  5. Step 5: Solve for x
    x = 700,512,408.83/28,891.36
  6. Step 6: Final answer
    x = 24,246.43

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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.