Home / 23,019.40-31,772.10-14,634.28

Finding the Fourth Proportional to 23,019.40, 31,772.10 and 14,634.28

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Solution

The fourth proportional to 23,019.40, 31,772.10 and 14,634.28 is: 20,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,019.40 : 31,772.10 = 14,634.28 : x
  2. Step 2: Convert to fraction form
    23,019.40/31,772.10 = 14,634.28/x
  3. Step 3: Cross multiply
    23,019.40x = 31,772.10 × 14,634.28
  4. Step 4: Simplify right side
    23,019.40x = 464,961,807.59
  5. Step 5: Solve for x
    x = 464,961,807.59/23,019.40
  6. Step 6: Final answer
    x = 20,198.69

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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.