Home / 27,897.72-38,487.96-15,954.67

Finding the Fourth Proportional to 27,897.72, 38,487.96 and 15,954.67

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Solution

The fourth proportional to 27,897.72, 38,487.96 and 15,954.67 is: 22,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.72 : 38,487.96 = 15,954.67 : x
  2. Step 2: Convert to fraction form
    27,897.72/38,487.96 = 15,954.67/x
  3. Step 3: Cross multiply
    27,897.72x = 38,487.96 × 15,954.67
  4. Step 4: Simplify right side
    27,897.72x = 614,062,748.88
  5. Step 5: Solve for x
    x = 614,062,748.88/27,897.72
  6. Step 6: Final answer
    x = 22,011.22

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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.