Home / 15,428.97-23,138.69-5,567.00

Finding the Fourth Proportional to 15,428.97, 23,138.69 and 5,567.00

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Solution

The fourth proportional to 15,428.97, 23,138.69 and 5,567.00 is: 8,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.97 : 23,138.69 = 5,567.00 : x
  2. Step 2: Convert to fraction form
    15,428.97/23,138.69 = 5,567.00/x
  3. Step 3: Cross multiply
    15,428.97x = 23,138.69 × 5,567.00
  4. Step 4: Simplify right side
    15,428.97x = 128,812,943.70
  5. Step 5: Solve for x
    x = 128,812,943.70/15,428.97
  6. Step 6: Final answer
    x = 8,348.77

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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.