Home / 27,189.42-37,557.50-21,295.05

Finding the Fourth Proportional to 27,189.42, 37,557.50 and 21,295.05

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Solution

The fourth proportional to 27,189.42, 37,557.50 and 21,295.05 is: 29,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.42 : 37,557.50 = 21,295.05 : x
  2. Step 2: Convert to fraction form
    27,189.42/37,557.50 = 21,295.05/x
  3. Step 3: Cross multiply
    27,189.42x = 37,557.50 × 21,295.05
  4. Step 4: Simplify right side
    27,189.42x = 799,788,840.38
  5. Step 5: Solve for x
    x = 799,788,840.38/27,189.42
  6. Step 6: Final answer
    x = 29,415.44

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Double scale
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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.