Home / 52,288.56-72,157.29-28,415.33

Finding the Fourth Proportional to 52,288.56, 72,157.29 and 28,415.33

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Solution

The fourth proportional to 52,288.56, 72,157.29 and 28,415.33 is: 39,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.56 : 72,157.29 = 28,415.33 : x
  2. Step 2: Convert to fraction form
    52,288.56/72,157.29 = 28,415.33/x
  3. Step 3: Cross multiply
    52,288.56x = 72,157.29 × 28,415.33
  4. Step 4: Simplify right side
    52,288.56x = 2,050,373,207.26
  5. Step 5: Solve for x
    x = 2,050,373,207.26/52,288.56
  6. Step 6: Final answer
    x = 39,212.65

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1.5x scale

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.