Home / 52,288.70-72,157.46-28,415.45

Finding the Fourth Proportional to 52,288.70, 72,157.46 and 28,415.45

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Solution

The fourth proportional to 52,288.70, 72,157.46 and 28,415.45 is: 39,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.70 : 72,157.46 = 28,415.45 : x
  2. Step 2: Convert to fraction form
    52,288.70/72,157.46 = 28,415.45/x
  3. Step 3: Cross multiply
    52,288.70x = 72,157.46 × 28,415.45
  4. Step 4: Simplify right side
    52,288.70x = 2,050,386,735.07
  5. Step 5: Solve for x
    x = 2,050,386,735.07/52,288.70
  6. Step 6: Final answer
    x = 39,212.81

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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.