Home / 29,282.76-40,410.15-15,854.03

Finding the Fourth Proportional to 29,282.76, 40,410.15 and 15,854.03

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Solution

The fourth proportional to 29,282.76, 40,410.15 and 15,854.03 is: 21,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.76 : 40,410.15 = 15,854.03 : x
  2. Step 2: Convert to fraction form
    29,282.76/40,410.15 = 15,854.03/x
  3. Step 3: Cross multiply
    29,282.76x = 40,410.15 × 15,854.03
  4. Step 4: Simplify right side
    29,282.76x = 640,663,528.35
  5. Step 5: Solve for x
    x = 640,663,528.35/29,282.76
  6. Step 6: Final answer
    x = 21,878.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.