Home / 29,289.87-40,410.50-18,682.92

Finding the Fourth Proportional to 29,289.87, 40,410.50 and 18,682.92

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Solution

The fourth proportional to 29,289.87, 40,410.50 and 18,682.92 is: 25,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,289.87 : 40,410.50 = 18,682.92 : x
  2. Step 2: Convert to fraction form
    29,289.87/40,410.50 = 18,682.92/x
  3. Step 3: Cross multiply
    29,289.87x = 40,410.50 × 18,682.92
  4. Step 4: Simplify right side
    29,289.87x = 754,986,045.25
  5. Step 5: Solve for x
    x = 754,986,045.25/29,289.87
  6. Step 6: Final answer
    x = 25,776.35

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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.