Home / 57,240.18-85,855.32-15,687.18

Finding the Fourth Proportional to 57,240.18, 85,855.32 and 15,687.18

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Solution

The fourth proportional to 57,240.18, 85,855.32 and 15,687.18 is: 23,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.18 : 85,855.32 = 15,687.18 : x
  2. Step 2: Convert to fraction form
    57,240.18/85,855.32 = 15,687.18/x
  3. Step 3: Cross multiply
    57,240.18x = 85,855.32 × 15,687.18
  4. Step 4: Simplify right side
    57,240.18x = 1,346,827,858.80
  5. Step 5: Solve for x
    x = 1,346,827,858.80/57,240.18
  6. Step 6: Final answer
    x = 23,529.41

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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.