Home / 19,125.73-28,677.56-7,425.28

Finding the Fourth Proportional to 19,125.73, 28,677.56 and 7,425.28

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Solution

The fourth proportional to 19,125.73, 28,677.56 and 7,425.28 is: 11,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.73 : 28,677.56 = 7,425.28 : x
  2. Step 2: Convert to fraction form
    19,125.73/28,677.56 = 7,425.28/x
  3. Step 3: Cross multiply
    19,125.73x = 28,677.56 × 7,425.28
  4. Step 4: Simplify right side
    19,125.73x = 212,939,002.97
  5. Step 5: Solve for x
    x = 212,939,002.97/19,125.73
  6. Step 6: Final answer
    x = 11,133.64

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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.