Home / 27,742.32-38,281.40-16,412.24

Finding the Fourth Proportional to 27,742.32, 38,281.40 and 16,412.24

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Solution

The fourth proportional to 27,742.32, 38,281.40 and 16,412.24 is: 22,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.32 : 38,281.40 = 16,412.24 : x
  2. Step 2: Convert to fraction form
    27,742.32/38,281.40 = 16,412.24/x
  3. Step 3: Cross multiply
    27,742.32x = 38,281.40 × 16,412.24
  4. Step 4: Simplify right side
    27,742.32x = 628,283,524.34
  5. Step 5: Solve for x
    x = 628,283,524.34/27,742.32
  6. Step 6: Final answer
    x = 22,647.12

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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.