Home / 35,787.28-53,668.77-13,595.32

Finding the Fourth Proportional to 35,787.28, 53,668.77 and 13,595.32

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Solution

The fourth proportional to 35,787.28, 53,668.77 and 13,595.32 is: 20,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.28 : 53,668.77 = 13,595.32 : x
  2. Step 2: Convert to fraction form
    35,787.28/53,668.77 = 13,595.32/x
  3. Step 3: Cross multiply
    35,787.28x = 53,668.77 × 13,595.32
  4. Step 4: Simplify right side
    35,787.28x = 729,644,102.16
  5. Step 5: Solve for x
    x = 729,644,102.16/35,787.28
  6. Step 6: Final answer
    x = 20,388.36

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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.