Home / 29,438.87-40,615.70-16,690.68

Finding the Fourth Proportional to 29,438.87, 40,615.70 and 16,690.68

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Solution

The fourth proportional to 29,438.87, 40,615.70 and 16,690.68 is: 23,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,438.87 : 40,615.70 = 16,690.68 : x
  2. Step 2: Convert to fraction form
    29,438.87/40,615.70 = 16,690.68/x
  3. Step 3: Cross multiply
    29,438.87x = 40,615.70 × 16,690.68
  4. Step 4: Simplify right side
    29,438.87x = 677,903,568.22
  5. Step 5: Solve for x
    x = 677,903,568.22/29,438.87
  6. Step 6: Final answer
    x = 23,027.50

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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.