Home / 52,152.20-78,228.30-15,216.20

Finding the Fourth Proportional to 52,152.20, 78,228.30 and 15,216.20

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Solution

The fourth proportional to 52,152.20, 78,228.30 and 15,216.20 is: 22,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152.20 : 78,228.30 = 15,216.20 : x
  2. Step 2: Convert to fraction form
    52,152.20/78,228.30 = 15,216.20/x
  3. Step 3: Cross multiply
    52,152.20x = 78,228.30 × 15,216.20
  4. Step 4: Simplify right side
    52,152.20x = 1,190,337,458.46
  5. Step 5: Solve for x
    x = 1,190,337,458.46/52,152.20
  6. Step 6: Final answer
    x = 22,824.30

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1.5x scale

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.