Home / 29,292.16-40,423.12-15,863.37

Finding the Fourth Proportional to 29,292.16, 40,423.12 and 15,863.37

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Solution

The fourth proportional to 29,292.16, 40,423.12 and 15,863.37 is: 21,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292.16 : 40,423.12 = 15,863.37 : x
  2. Step 2: Convert to fraction form
    29,292.16/40,423.12 = 15,863.37/x
  3. Step 3: Cross multiply
    29,292.16x = 40,423.12 × 15,863.37
  4. Step 4: Simplify right side
    29,292.16x = 641,246,869.46
  5. Step 5: Solve for x
    x = 641,246,869.46/29,292.16
  6. Step 6: Final answer
    x = 21,891.42

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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.