Home / 19,268.07-28,711.61-17,305.80

Finding the Fourth Proportional to 19,268.07, 28,711.61 and 17,305.80

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Solution

The fourth proportional to 19,268.07, 28,711.61 and 17,305.80 is: 25,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.07 : 28,711.61 = 17,305.80 : x
  2. Step 2: Convert to fraction form
    19,268.07/28,711.61 = 17,305.80/x
  3. Step 3: Cross multiply
    19,268.07x = 28,711.61 × 17,305.80
  4. Step 4: Simplify right side
    19,268.07x = 496,877,293.81
  5. Step 5: Solve for x
    x = 496,877,293.81/19,268.07
  6. Step 6: Final answer
    x = 25,787.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.