Home / 27,742.18-38,284.05-15,166.93

Finding the Fourth Proportional to 27,742.18, 38,284.05 and 15,166.93

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Solution

The fourth proportional to 27,742.18, 38,284.05 and 15,166.93 is: 20,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.18 : 38,284.05 = 15,166.93 : x
  2. Step 2: Convert to fraction form
    27,742.18/38,284.05 = 15,166.93/x
  3. Step 3: Cross multiply
    27,742.18x = 38,284.05 × 15,166.93
  4. Step 4: Simplify right side
    27,742.18x = 580,651,506.47
  5. Step 5: Solve for x
    x = 580,651,506.47/27,742.18
  6. Step 6: Final answer
    x = 20,930.28

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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.