Home / 39,015.40-58,523.10-15,658.60

Finding the Fourth Proportional to 39,015.40, 58,523.10 and 15,658.60

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Solution

The fourth proportional to 39,015.40, 58,523.10 and 15,658.60 is: 23,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.40 : 58,523.10 = 15,658.60 : x
  2. Step 2: Convert to fraction form
    39,015.40/58,523.10 = 15,658.60/x
  3. Step 3: Cross multiply
    39,015.40x = 58,523.10 × 15,658.60
  4. Step 4: Simplify right side
    39,015.40x = 916,389,813.66
  5. Step 5: Solve for x
    x = 916,389,813.66/39,015.40
  6. Step 6: Final answer
    x = 23,487.90

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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.