Home / 19,639.40-29,426.70-16,334.60

Finding the Fourth Proportional to 19,639.40, 29,426.70 and 16,334.60

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Solution

The fourth proportional to 19,639.40, 29,426.70 and 16,334.60 is: 24,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.40 : 29,426.70 = 16,334.60 : x
  2. Step 2: Convert to fraction form
    19,639.40/29,426.70 = 16,334.60/x
  3. Step 3: Cross multiply
    19,639.40x = 29,426.70 × 16,334.60
  4. Step 4: Simplify right side
    19,639.40x = 480,673,373.82
  5. Step 5: Solve for x
    x = 480,673,373.82/19,639.40
  6. Step 6: Final answer
    x = 24,474.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.