Home / 17,280.02-25,919.85-7,917.38

Finding the Fourth Proportional to 17,280.02, 25,919.85 and 7,917.38

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Solution

The fourth proportional to 17,280.02, 25,919.85 and 7,917.38 is: 11,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.02 : 25,919.85 = 7,917.38 : x
  2. Step 2: Convert to fraction form
    17,280.02/25,919.85 = 7,917.38/x
  3. Step 3: Cross multiply
    17,280.02x = 25,919.85 × 7,917.38
  4. Step 4: Simplify right side
    17,280.02x = 205,217,254.75
  5. Step 5: Solve for x
    x = 205,217,254.75/17,280.02
  6. Step 6: Final answer
    x = 11,875.99

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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.