Home / 28,972.45-43,478.14-10,252.40

Finding the Fourth Proportional to 28,972.45, 43,478.14 and 10,252.40

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Solution

The fourth proportional to 28,972.45, 43,478.14 and 10,252.40 is: 15,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.45 : 43,478.14 = 10,252.40 : x
  2. Step 2: Convert to fraction form
    28,972.45/43,478.14 = 10,252.40/x
  3. Step 3: Cross multiply
    28,972.45x = 43,478.14 × 10,252.40
  4. Step 4: Simplify right side
    28,972.45x = 445,755,282.54
  5. Step 5: Solve for x
    x = 445,755,282.54/28,972.45
  6. Step 6: Final answer
    x = 15,385.49

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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.