Home / 28,202.40-38,840.58-27,590.04

Finding the Fourth Proportional to 28,202.40, 38,840.58 and 27,590.04

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Solution

The fourth proportional to 28,202.40, 38,840.58 and 27,590.04 is: 37,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.40 : 38,840.58 = 27,590.04 : x
  2. Step 2: Convert to fraction form
    28,202.40/38,840.58 = 27,590.04/x
  3. Step 3: Cross multiply
    28,202.40x = 38,840.58 × 27,590.04
  4. Step 4: Simplify right side
    28,202.40x = 1,071,613,155.82
  5. Step 5: Solve for x
    x = 1,071,613,155.82/28,202.40
  6. Step 6: Final answer
    x = 37,997.23

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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.