Home / 27,788.98-38,348.52-15,041.90

Finding the Fourth Proportional to 27,788.98, 38,348.52 and 15,041.90

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Solution

The fourth proportional to 27,788.98, 38,348.52 and 15,041.90 is: 20,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.98 : 38,348.52 = 15,041.90 : x
  2. Step 2: Convert to fraction form
    27,788.98/38,348.52 = 15,041.90/x
  3. Step 3: Cross multiply
    27,788.98x = 38,348.52 × 15,041.90
  4. Step 4: Simplify right side
    27,788.98x = 576,834,602.99
  5. Step 5: Solve for x
    x = 576,834,602.99/27,788.98
  6. Step 6: Final answer
    x = 20,757.67

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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.