Home / 28,887.24-43,330.88-10,419.24

Finding the Fourth Proportional to 28,887.24, 43,330.88 and 10,419.24

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Solution

The fourth proportional to 28,887.24, 43,330.88 and 10,419.24 is: 15,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.24 : 43,330.88 = 10,419.24 : x
  2. Step 2: Convert to fraction form
    28,887.24/43,330.88 = 10,419.24/x
  3. Step 3: Cross multiply
    28,887.24x = 43,330.88 × 10,419.24
  4. Step 4: Simplify right side
    28,887.24x = 451,474,838.13
  5. Step 5: Solve for x
    x = 451,474,838.13/28,887.24
  6. Step 6: Final answer
    x = 15,628.87

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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.