Home / 19,087.84-28,627.60-9,717.92

Finding the Fourth Proportional to 19,087.84, 28,627.60 and 9,717.92

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Solution

The fourth proportional to 19,087.84, 28,627.60 and 9,717.92 is: 14,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.84 : 28,627.60 = 9,717.92 : x
  2. Step 2: Convert to fraction form
    19,087.84/28,627.60 = 9,717.92/x
  3. Step 3: Cross multiply
    19,087.84x = 28,627.60 × 9,717.92
  4. Step 4: Simplify right side
    19,087.84x = 278,200,726.59
  5. Step 5: Solve for x
    x = 278,200,726.59/19,087.84
  6. Step 6: Final answer
    x = 14,574.76

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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.