Home / 39,297.90-58,894.27-19,276.78

Finding the Fourth Proportional to 39,297.90, 58,894.27 and 19,276.78

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Solution

The fourth proportional to 39,297.90, 58,894.27 and 19,276.78 is: 28,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,297.90 : 58,894.27 = 19,276.78 : x
  2. Step 2: Convert to fraction form
    39,297.90/58,894.27 = 19,276.78/x
  3. Step 3: Cross multiply
    39,297.90x = 58,894.27 × 19,276.78
  4. Step 4: Simplify right side
    39,297.90x = 1,135,291,886.05
  5. Step 5: Solve for x
    x = 1,135,291,886.05/39,297.90
  6. Step 6: Final answer
    x = 28,889.38

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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.