Home / 57,276.20-85,914.30-15,156.20

Finding the Fourth Proportional to 57,276.20, 85,914.30 and 15,156.20

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Solution

The fourth proportional to 57,276.20, 85,914.30 and 15,156.20 is: 22,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.20 : 85,914.30 = 15,156.20 : x
  2. Step 2: Convert to fraction form
    57,276.20/85,914.30 = 15,156.20/x
  3. Step 3: Cross multiply
    57,276.20x = 85,914.30 × 15,156.20
  4. Step 4: Simplify right side
    57,276.20x = 1,302,134,313.66
  5. Step 5: Solve for x
    x = 1,302,134,313.66/57,276.20
  6. Step 6: Final answer
    x = 22,734.30

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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.