Home / 15,428.28-23,146.08-5,040

Finding the Fourth Proportional to 15,428.28, 23,146.08 and 5,040

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Solution

The fourth proportional to 15,428.28, 23,146.08 and 5,040 is: 7,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.28 : 23,146.08 = 5,040 : x
  2. Step 2: Convert to fraction form
    15,428.28/23,146.08 = 5,040/x
  3. Step 3: Cross multiply
    15,428.28x = 23,146.08 × 5,040
  4. Step 4: Simplify right side
    15,428.28x = 116,656,243.20
  5. Step 5: Solve for x
    x = 116,656,243.20/15,428.28
  6. Step 6: Final answer
    x = 7,561.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.