Home / 27,703.96-38,230.38-15,604.18

Finding the Fourth Proportional to 27,703.96, 38,230.38 and 15,604.18

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Solution

The fourth proportional to 27,703.96, 38,230.38 and 15,604.18 is: 21,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703.96 : 38,230.38 = 15,604.18 : x
  2. Step 2: Convert to fraction form
    27,703.96/38,230.38 = 15,604.18/x
  3. Step 3: Cross multiply
    27,703.96x = 38,230.38 × 15,604.18
  4. Step 4: Simplify right side
    27,703.96x = 596,553,635.41
  5. Step 5: Solve for x
    x = 596,553,635.41/27,703.96
  6. Step 6: Final answer
    x = 21,533.16

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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.