Home / 27,642.13-41,433.63-15,770.32

Finding the Fourth Proportional to 27,642.13, 41,433.63 and 15,770.32

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Solution

The fourth proportional to 27,642.13, 41,433.63 and 15,770.32 is: 23,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.13 : 41,433.63 = 15,770.32 : x
  2. Step 2: Convert to fraction form
    27,642.13/41,433.63 = 15,770.32/x
  3. Step 3: Cross multiply
    27,642.13x = 41,433.63 × 15,770.32
  4. Step 4: Simplify right side
    27,642.13x = 653,421,603.86
  5. Step 5: Solve for x
    x = 653,421,603.86/27,642.13
  6. Step 6: Final answer
    x = 23,638.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.