Home / 27,897.82-38,487.86-15,954.67

Finding the Fourth Proportional to 27,897.82, 38,487.86 and 15,954.67

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Solution

The fourth proportional to 27,897.82, 38,487.86 and 15,954.67 is: 22,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.82 : 38,487.86 = 15,954.67 : x
  2. Step 2: Convert to fraction form
    27,897.82/38,487.86 = 15,954.67/x
  3. Step 3: Cross multiply
    27,897.82x = 38,487.86 × 15,954.67
  4. Step 4: Simplify right side
    27,897.82x = 614,061,133.47
  5. Step 5: Solve for x
    x = 614,061,133.47/27,897.82
  6. Step 6: Final answer
    x = 22,011.08

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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.