Home / 29,328.87-43,992.93-7,142.28

Finding the Fourth Proportional to 29,328.87, 43,992.93 and 7,142.28

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Solution

The fourth proportional to 29,328.87, 43,992.93 and 7,142.28 is: 10,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,328.87 : 43,992.93 = 7,142.28 : x
  2. Step 2: Convert to fraction form
    29,328.87/43,992.93 = 7,142.28/x
  3. Step 3: Cross multiply
    29,328.87x = 43,992.93 × 7,142.28
  4. Step 4: Simplify right side
    29,328.87x = 314,209,824.08
  5. Step 5: Solve for x
    x = 314,209,824.08/29,328.87
  6. Step 6: Final answer
    x = 10,713.33

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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.