Home / 28,400.17-42,553.16-17,273.20

Finding the Fourth Proportional to 28,400.17, 42,553.16 and 17,273.20

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Solution

The fourth proportional to 28,400.17, 42,553.16 and 17,273.20 is: 25,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.17 : 42,553.16 = 17,273.20 : x
  2. Step 2: Convert to fraction form
    28,400.17/42,553.16 = 17,273.20/x
  3. Step 3: Cross multiply
    28,400.17x = 42,553.16 × 17,273.20
  4. Step 4: Simplify right side
    28,400.17x = 735,029,274.91
  5. Step 5: Solve for x
    x = 735,029,274.91/28,400.17
  6. Step 6: Final answer
    x = 25,881.16

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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.