Home / 22,454.94-33,660.40-19,130.70

Finding the Fourth Proportional to 22,454.94, 33,660.40 and 19,130.70

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Solution

The fourth proportional to 22,454.94, 33,660.40 and 19,130.70 is: 28,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.94 : 33,660.40 = 19,130.70 : x
  2. Step 2: Convert to fraction form
    22,454.94/33,660.40 = 19,130.70/x
  3. Step 3: Cross multiply
    22,454.94x = 33,660.40 × 19,130.70
  4. Step 4: Simplify right side
    22,454.94x = 643,947,014.28
  5. Step 5: Solve for x
    x = 643,947,014.28/22,454.94
  6. Step 6: Final answer
    x = 28,677.30

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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.