Home / 52,856.22-79,285.95-15,415.39

Finding the Fourth Proportional to 52,856.22, 79,285.95 and 15,415.39

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Solution

The fourth proportional to 52,856.22, 79,285.95 and 15,415.39 is: 23,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,856.22 : 79,285.95 = 15,415.39 : x
  2. Step 2: Convert to fraction form
    52,856.22/79,285.95 = 15,415.39/x
  3. Step 3: Cross multiply
    52,856.22x = 79,285.95 × 15,415.39
  4. Step 4: Simplify right side
    52,856.22x = 1,222,223,840.77
  5. Step 5: Solve for x
    x = 1,222,223,840.77/52,856.22
  6. Step 6: Final answer
    x = 23,123.56

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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.