Home / 29,282.90-40,410.42-15,854.27

Finding the Fourth Proportional to 29,282.90, 40,410.42 and 15,854.27

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Solution

The fourth proportional to 29,282.90, 40,410.42 and 15,854.27 is: 21,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.90 : 40,410.42 = 15,854.27 : x
  2. Step 2: Convert to fraction form
    29,282.90/40,410.42 = 15,854.27/x
  3. Step 3: Cross multiply
    29,282.90x = 40,410.42 × 15,854.27
  4. Step 4: Simplify right side
    29,282.90x = 640,677,709.49
  5. Step 5: Solve for x
    x = 640,677,709.49/29,282.90
  6. Step 6: Final answer
    x = 21,878.90

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1.5x scale

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.