Home / 52,157.16-78,255.18-28,777.32

Finding the Fourth Proportional to 52,157.16, 78,255.18 and 28,777.32

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Solution

The fourth proportional to 52,157.16, 78,255.18 and 28,777.32 is: 43,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.16 : 78,255.18 = 28,777.32 : x
  2. Step 2: Convert to fraction form
    52,157.16/78,255.18 = 28,777.32/x
  3. Step 3: Cross multiply
    52,157.16x = 78,255.18 × 28,777.32
  4. Step 4: Simplify right side
    52,157.16x = 2,251,974,356.52
  5. Step 5: Solve for x
    x = 2,251,974,356.52/52,157.16
  6. Step 6: Final answer
    x = 43,176.71

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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.