Home / 27,051.74-37,328.55-15,115.58

Finding the Fourth Proportional to 27,051.74, 37,328.55 and 15,115.58

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Solution

The fourth proportional to 27,051.74, 37,328.55 and 15,115.58 is: 20,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.74 : 37,328.55 = 15,115.58 : x
  2. Step 2: Convert to fraction form
    27,051.74/37,328.55 = 15,115.58/x
  3. Step 3: Cross multiply
    27,051.74x = 37,328.55 × 15,115.58
  4. Step 4: Simplify right side
    27,051.74x = 564,242,683.81
  5. Step 5: Solve for x
    x = 564,242,683.81/27,051.74
  6. Step 6: Final answer
    x = 20,857.91

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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.