Home / 27,555.52-38,039.68-17,625.28

Finding the Fourth Proportional to 27,555.52, 38,039.68 and 17,625.28

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Solution

The fourth proportional to 27,555.52, 38,039.68 and 17,625.28 is: 24,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.52 : 38,039.68 = 17,625.28 : x
  2. Step 2: Convert to fraction form
    27,555.52/38,039.68 = 17,625.28/x
  3. Step 3: Cross multiply
    27,555.52x = 38,039.68 × 17,625.28
  4. Step 4: Simplify right side
    27,555.52x = 670,460,011.11
  5. Step 5: Solve for x
    x = 670,460,011.11/27,555.52
  6. Step 6: Final answer
    x = 24,331.24

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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.