Home / 43,028.02-64,545.28-11,863

Finding the Fourth Proportional to 43,028.02, 64,545.28 and 11,863

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Solution

The fourth proportional to 43,028.02, 64,545.28 and 11,863 is: 17,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,028.02 : 64,545.28 = 11,863 : x
  2. Step 2: Convert to fraction form
    43,028.02/64,545.28 = 11,863/x
  3. Step 3: Cross multiply
    43,028.02x = 64,545.28 × 11,863
  4. Step 4: Simplify right side
    43,028.02x = 765,700,656.64
  5. Step 5: Solve for x
    x = 765,700,656.64/43,028.02
  6. Step 6: Final answer
    x = 17,795.40

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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.