Home / 29,282.61-40,410.33-15,854.15

Finding the Fourth Proportional to 29,282.61, 40,410.33 and 15,854.15

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Solution

The fourth proportional to 29,282.61, 40,410.33 and 15,854.15 is: 21,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.61 : 40,410.33 = 15,854.15 : x
  2. Step 2: Convert to fraction form
    29,282.61/40,410.33 = 15,854.15/x
  3. Step 3: Cross multiply
    29,282.61x = 40,410.33 × 15,854.15
  4. Step 4: Simplify right side
    29,282.61x = 640,671,231.32
  5. Step 5: Solve for x
    x = 640,671,231.32/29,282.61
  6. Step 6: Final answer
    x = 21,878.90

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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.