Home / 28,134.10-42,207.09-10,604.08

Finding the Fourth Proportional to 28,134.10, 42,207.09 and 10,604.08

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Solution

The fourth proportional to 28,134.10, 42,207.09 and 10,604.08 is: 15,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.10 : 42,207.09 = 10,604.08 : x
  2. Step 2: Convert to fraction form
    28,134.10/42,207.09 = 10,604.08/x
  3. Step 3: Cross multiply
    28,134.10x = 42,207.09 × 10,604.08
  4. Step 4: Simplify right side
    28,134.10x = 447,567,358.93
  5. Step 5: Solve for x
    x = 447,567,358.93/28,134.10
  6. Step 6: Final answer
    x = 15,908.36

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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.