Home / 27,390.99-37,780.11-26,476.50

Finding the Fourth Proportional to 27,390.99, 37,780.11 and 26,476.50

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Solution

The fourth proportional to 27,390.99, 37,780.11 and 26,476.50 is: 36,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.99 : 37,780.11 = 26,476.50 : x
  2. Step 2: Convert to fraction form
    27,390.99/37,780.11 = 26,476.50/x
  3. Step 3: Cross multiply
    27,390.99x = 37,780.11 × 26,476.50
  4. Step 4: Simplify right side
    27,390.99x = 1,000,285,082.42
  5. Step 5: Solve for x
    x = 1,000,285,082.42/27,390.99
  6. Step 6: Final answer
    x = 36,518.76

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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.