Home / 10,428.17-15,642.27-2,636.97

Finding the Fourth Proportional to 10,428.17, 15,642.27 and 2,636.97

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Solution

The fourth proportional to 10,428.17, 15,642.27 and 2,636.97 is: 3,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.17 : 15,642.27 = 2,636.97 : x
  2. Step 2: Convert to fraction form
    10,428.17/15,642.27 = 2,636.97/x
  3. Step 3: Cross multiply
    10,428.17x = 15,642.27 × 2,636.97
  4. Step 4: Simplify right side
    10,428.17x = 41,248,196.72
  5. Step 5: Solve for x
    x = 41,248,196.72/10,428.17
  6. Step 6: Final answer
    x = 3,955.46

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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.