Home / 27,051.51-37,331.91-15,115.35

Finding the Fourth Proportional to 27,051.51, 37,331.91 and 15,115.35

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Solution

The fourth proportional to 27,051.51, 37,331.91 and 15,115.35 is: 20,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.51 : 37,331.91 = 15,115.35 : x
  2. Step 2: Convert to fraction form
    27,051.51/37,331.91 = 15,115.35/x
  3. Step 3: Cross multiply
    27,051.51x = 37,331.91 × 15,115.35
  4. Step 4: Simplify right side
    27,051.51x = 564,284,885.82
  5. Step 5: Solve for x
    x = 564,284,885.82/27,051.51
  6. Step 6: Final answer
    x = 20,859.64

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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.