Home / 27,866.79-41,780.75-10,331.91

Finding the Fourth Proportional to 27,866.79, 41,780.75 and 10,331.91

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Solution

The fourth proportional to 27,866.79, 41,780.75 and 10,331.91 is: 15,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866.79 : 41,780.75 = 10,331.91 : x
  2. Step 2: Convert to fraction form
    27,866.79/41,780.75 = 10,331.91/x
  3. Step 3: Cross multiply
    27,866.79x = 41,780.75 × 10,331.91
  4. Step 4: Simplify right side
    27,866.79x = 431,674,897.07
  5. Step 5: Solve for x
    x = 431,674,897.07/27,866.79
  6. Step 6: Final answer
    x = 15,490.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.