Home / 27,597.12-38,088-15,498.96

Finding the Fourth Proportional to 27,597.12, 38,088 and 15,498.96

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Solution

The fourth proportional to 27,597.12, 38,088 and 15,498.96 is: 21,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,597.12 : 38,088 = 15,498.96 : x
  2. Step 2: Convert to fraction form
    27,597.12/38,088 = 15,498.96/x
  3. Step 3: Cross multiply
    27,597.12x = 38,088 × 15,498.96
  4. Step 4: Simplify right side
    27,597.12x = 590,324,388.48
  5. Step 5: Solve for x
    x = 590,324,388.48/27,597.12
  6. Step 6: Final answer
    x = 21,390.80

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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.