Home / 27,921.24-38,533.32-17,858.88

Finding the Fourth Proportional to 27,921.24, 38,533.32 and 17,858.88

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Solution

The fourth proportional to 27,921.24, 38,533.32 and 17,858.88 is: 24,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.24 : 38,533.32 = 17,858.88 : x
  2. Step 2: Convert to fraction form
    27,921.24/38,533.32 = 17,858.88/x
  3. Step 3: Cross multiply
    27,921.24x = 38,533.32 × 17,858.88
  4. Step 4: Simplify right side
    27,921.24x = 688,161,937.88
  5. Step 5: Solve for x
    x = 688,161,937.88/27,921.24
  6. Step 6: Final answer
    x = 24,646.54

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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.