Home / 29,282.64-40,409.55-15,853.79

Finding the Fourth Proportional to 29,282.64, 40,409.55 and 15,853.79

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Solution

The fourth proportional to 29,282.64, 40,409.55 and 15,853.79 is: 21,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.64 : 40,409.55 = 15,853.79 : x
  2. Step 2: Convert to fraction form
    29,282.64/40,409.55 = 15,853.79/x
  3. Step 3: Cross multiply
    29,282.64x = 40,409.55 × 15,853.79
  4. Step 4: Simplify right side
    29,282.64x = 640,644,317.65
  5. Step 5: Solve for x
    x = 640,644,317.65/29,282.64
  6. Step 6: Final answer
    x = 21,877.96

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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.