Home / 39,992.64-59,988.96-15,351.36

Finding the Fourth Proportional to 39,992.64, 59,988.96 and 15,351.36

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Solution

The fourth proportional to 39,992.64, 59,988.96 and 15,351.36 is: 23,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.64 : 59,988.96 = 15,351.36 : x
  2. Step 2: Convert to fraction form
    39,992.64/59,988.96 = 15,351.36/x
  3. Step 3: Cross multiply
    39,992.64x = 59,988.96 × 15,351.36
  4. Step 4: Simplify right side
    39,992.64x = 920,912,120.99
  5. Step 5: Solve for x
    x = 920,912,120.99/39,992.64
  6. Step 6: Final answer
    x = 23,027.04

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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.