Home / 27,952.48-38,575.12-15,378.08

Finding the Fourth Proportional to 27,952.48, 38,575.12 and 15,378.08

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Solution

The fourth proportional to 27,952.48, 38,575.12 and 15,378.08 is: 21,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,952.48 : 38,575.12 = 15,378.08 : x
  2. Step 2: Convert to fraction form
    27,952.48/38,575.12 = 15,378.08/x
  3. Step 3: Cross multiply
    27,952.48x = 38,575.12 × 15,378.08
  4. Step 4: Simplify right side
    27,952.48x = 593,211,281.37
  5. Step 5: Solve for x
    x = 593,211,281.37/27,952.48
  6. Step 6: Final answer
    x = 21,222.13

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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.