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Finding the Fourth Proportional to 28,750.94, 43,126.05 and 10,030.94

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Solution

The fourth proportional to 28,750.94, 43,126.05 and 10,030.94 is: 15,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.94 : 43,126.05 = 10,030.94 : x
  2. Step 2: Convert to fraction form
    28,750.94/43,126.05 = 10,030.94/x
  3. Step 3: Cross multiply
    28,750.94x = 43,126.05 × 10,030.94
  4. Step 4: Simplify right side
    28,750.94x = 432,594,819.99
  5. Step 5: Solve for x
    x = 432,594,819.99/28,750.94
  6. Step 6: Final answer
    x = 15,046.28

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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.