Home / 29,282.24-40,409.58-15,853.46

Finding the Fourth Proportional to 29,282.24, 40,409.58 and 15,853.46

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Solution

The fourth proportional to 29,282.24, 40,409.58 and 15,853.46 is: 21,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.24 : 40,409.58 = 15,853.46 : x
  2. Step 2: Convert to fraction form
    29,282.24/40,409.58 = 15,853.46/x
  3. Step 3: Cross multiply
    29,282.24x = 40,409.58 × 15,853.46
  4. Step 4: Simplify right side
    29,282.24x = 640,631,458.10
  5. Step 5: Solve for x
    x = 640,631,458.10/29,282.24
  6. Step 6: Final answer
    x = 21,877.82

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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.