Home / 57,976.50-86,963.51-15,856.58

Finding the Fourth Proportional to 57,976.50, 86,963.51 and 15,856.58

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Solution

The fourth proportional to 57,976.50, 86,963.51 and 15,856.58 is: 23,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.50 : 86,963.51 = 15,856.58 : x
  2. Step 2: Convert to fraction form
    57,976.50/86,963.51 = 15,856.58/x
  3. Step 3: Cross multiply
    57,976.50x = 86,963.51 × 15,856.58
  4. Step 4: Simplify right side
    57,976.50x = 1,378,943,853.40
  5. Step 5: Solve for x
    x = 1,378,943,853.40/57,976.50
  6. Step 6: Final answer
    x = 23,784.53

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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.