Home / 28,215.91-42,337.73-11,348.24

Finding the Fourth Proportional to 28,215.91, 42,337.73 and 11,348.24

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Solution

The fourth proportional to 28,215.91, 42,337.73 and 11,348.24 is: 17,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.91 : 42,337.73 = 11,348.24 : x
  2. Step 2: Convert to fraction form
    28,215.91/42,337.73 = 11,348.24/x
  3. Step 3: Cross multiply
    28,215.91x = 42,337.73 × 11,348.24
  4. Step 4: Simplify right side
    28,215.91x = 480,458,721.10
  5. Step 5: Solve for x
    x = 480,458,721.10/28,215.91
  6. Step 6: Final answer
    x = 17,027.94

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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.