Home / 52,792.48-72,853.62-28,919.15

Finding the Fourth Proportional to 52,792.48, 72,853.62 and 28,919.15

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Solution

The fourth proportional to 52,792.48, 72,853.62 and 28,919.15 is: 39,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,792.48 : 72,853.62 = 28,919.15 : x
  2. Step 2: Convert to fraction form
    52,792.48/72,853.62 = 28,919.15/x
  3. Step 3: Cross multiply
    52,792.48x = 72,853.62 × 28,919.15
  4. Step 4: Simplify right side
    52,792.48x = 2,106,864,964.34
  5. Step 5: Solve for x
    x = 2,106,864,964.34/52,792.48
  6. Step 6: Final answer
    x = 39,908.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.