Home / 52,288.60-72,158.36-28,415.56

Finding the Fourth Proportional to 52,288.60, 72,158.36 and 28,415.56

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Solution

The fourth proportional to 52,288.60, 72,158.36 and 28,415.56 is: 39,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.60 : 72,158.36 = 28,415.56 : x
  2. Step 2: Convert to fraction form
    52,288.60/72,158.36 = 28,415.56/x
  3. Step 3: Cross multiply
    52,288.60x = 72,158.36 × 28,415.56
  4. Step 4: Simplify right side
    52,288.60x = 2,050,420,208.08
  5. Step 5: Solve for x
    x = 2,050,420,208.08/52,288.60
  6. Step 6: Final answer
    x = 39,213.52

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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.