Home / 27,864.08-38,452.42-15,927.67

Finding the Fourth Proportional to 27,864.08, 38,452.42 and 15,927.67

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Solution

The fourth proportional to 27,864.08, 38,452.42 and 15,927.67 is: 21,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.08 : 38,452.42 = 15,927.67 : x
  2. Step 2: Convert to fraction form
    27,864.08/38,452.42 = 15,927.67/x
  3. Step 3: Cross multiply
    27,864.08x = 38,452.42 × 15,927.67
  4. Step 4: Simplify right side
    27,864.08x = 612,457,380.24
  5. Step 5: Solve for x
    x = 612,457,380.24/27,864.08
  6. Step 6: Final answer
    x = 21,980.18

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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.