Home / 27,753.02-38,300.20-15,816.04

Finding the Fourth Proportional to 27,753.02, 38,300.20 and 15,816.04

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Solution

The fourth proportional to 27,753.02, 38,300.20 and 15,816.04 is: 21,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.02 : 38,300.20 = 15,816.04 : x
  2. Step 2: Convert to fraction form
    27,753.02/38,300.20 = 15,816.04/x
  3. Step 3: Cross multiply
    27,753.02x = 38,300.20 × 15,816.04
  4. Step 4: Simplify right side
    27,753.02x = 605,757,495.21
  5. Step 5: Solve for x
    x = 605,757,495.21/27,753.02
  6. Step 6: Final answer
    x = 21,826.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.