Home / 27,560.01-38,051.06-21,175.19

Finding the Fourth Proportional to 27,560.01, 38,051.06 and 21,175.19

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Solution

The fourth proportional to 27,560.01, 38,051.06 and 21,175.19 is: 29,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,560.01 : 38,051.06 = 21,175.19 : x
  2. Step 2: Convert to fraction form
    27,560.01/38,051.06 = 21,175.19/x
  3. Step 3: Cross multiply
    27,560.01x = 38,051.06 × 21,175.19
  4. Step 4: Simplify right side
    27,560.01x = 805,738,129.07
  5. Step 5: Solve for x
    x = 805,738,129.07/27,560.01
  6. Step 6: Final answer
    x = 29,235.77

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Half scale
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Double scale
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Similar ratio
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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.