Home / 27,051.66-37,331.48-15,115.50

Finding the Fourth Proportional to 27,051.66, 37,331.48 and 15,115.50

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Solution

The fourth proportional to 27,051.66, 37,331.48 and 15,115.50 is: 20,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.66 : 37,331.48 = 15,115.50 : x
  2. Step 2: Convert to fraction form
    27,051.66/37,331.48 = 15,115.50/x
  3. Step 3: Cross multiply
    27,051.66x = 37,331.48 × 15,115.50
  4. Step 4: Simplify right side
    27,051.66x = 564,283,985.94
  5. Step 5: Solve for x
    x = 564,283,985.94/27,051.66
  6. Step 6: Final answer
    x = 20,859.50

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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.