Home / 28,749.73-43,125.81-10,031.65

Finding the Fourth Proportional to 28,749.73, 43,125.81 and 10,031.65

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Solution

The fourth proportional to 28,749.73, 43,125.81 and 10,031.65 is: 15,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.73 : 43,125.81 = 10,031.65 : x
  2. Step 2: Convert to fraction form
    28,749.73/43,125.81 = 10,031.65/x
  3. Step 3: Cross multiply
    28,749.73x = 43,125.81 × 10,031.65
  4. Step 4: Simplify right side
    28,749.73x = 432,623,031.89
  5. Step 5: Solve for x
    x = 432,623,031.89/28,749.73
  6. Step 6: Final answer
    x = 15,047.90

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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.