Home / 15,428.07-23,146.97-5,047.11

Finding the Fourth Proportional to 15,428.07, 23,146.97 and 5,047.11

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Solution

The fourth proportional to 15,428.07, 23,146.97 and 5,047.11 is: 7,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.07 : 23,146.97 = 5,047.11 : x
  2. Step 2: Convert to fraction form
    15,428.07/23,146.97 = 5,047.11/x
  3. Step 3: Cross multiply
    15,428.07x = 23,146.97 × 5,047.11
  4. Step 4: Simplify right side
    15,428.07x = 116,825,278.52
  5. Step 5: Solve for x
    x = 116,825,278.52/15,428.07
  6. Step 6: Final answer
    x = 7,572.25

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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.