Home / 28,579.84-42,854.64-11,032

Finding the Fourth Proportional to 28,579.84, 42,854.64 and 11,032

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Solution

The fourth proportional to 28,579.84, 42,854.64 and 11,032 is: 16,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.84 : 42,854.64 = 11,032 : x
  2. Step 2: Convert to fraction form
    28,579.84/42,854.64 = 11,032/x
  3. Step 3: Cross multiply
    28,579.84x = 42,854.64 × 11,032
  4. Step 4: Simplify right side
    28,579.84x = 472,772,388.48
  5. Step 5: Solve for x
    x = 472,772,388.48/28,579.84
  6. Step 6: Final answer
    x = 16,542.16

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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.