Home / 29,285.96-40,414.96-15,857.52

Finding the Fourth Proportional to 29,285.96, 40,414.96 and 15,857.52

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Solution

The fourth proportional to 29,285.96, 40,414.96 and 15,857.52 is: 21,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.96 : 40,414.96 = 15,857.52 : x
  2. Step 2: Convert to fraction form
    29,285.96/40,414.96 = 15,857.52/x
  3. Step 3: Cross multiply
    29,285.96x = 40,414.96 × 15,857.52
  4. Step 4: Simplify right side
    29,285.96x = 640,881,036.50
  5. Step 5: Solve for x
    x = 640,881,036.50/29,285.96
  6. Step 6: Final answer
    x = 21,883.56

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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.