Home / 29,725.79-41,025.76-18,398.90

Finding the Fourth Proportional to 29,725.79, 41,025.76 and 18,398.90

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Solution

The fourth proportional to 29,725.79, 41,025.76 and 18,398.90 is: 25,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,725.79 : 41,025.76 = 18,398.90 : x
  2. Step 2: Convert to fraction form
    29,725.79/41,025.76 = 18,398.90/x
  3. Step 3: Cross multiply
    29,725.79x = 41,025.76 × 18,398.90
  4. Step 4: Simplify right side
    29,725.79x = 754,828,912.23
  5. Step 5: Solve for x
    x = 754,828,912.23/29,725.79
  6. Step 6: Final answer
    x = 25,393.07

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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.