Home / 19,292.72-28,938.74-5,252.51

Finding the Fourth Proportional to 19,292.72, 28,938.74 and 5,252.51

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Solution

The fourth proportional to 19,292.72, 28,938.74 and 5,252.51 is: 7,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.72 : 28,938.74 = 5,252.51 : x
  2. Step 2: Convert to fraction form
    19,292.72/28,938.74 = 5,252.51/x
  3. Step 3: Cross multiply
    19,292.72x = 28,938.74 × 5,252.51
  4. Step 4: Simplify right side
    19,292.72x = 152,001,067.32
  5. Step 5: Solve for x
    x = 152,001,067.32/19,292.72
  6. Step 6: Final answer
    x = 7,878.68

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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.