Home / 27,850.23-38,404.02-21,060.20

Finding the Fourth Proportional to 27,850.23, 38,404.02 and 21,060.20

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Solution

The fourth proportional to 27,850.23, 38,404.02 and 21,060.20 is: 29,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.23 : 38,404.02 = 21,060.20 : x
  2. Step 2: Convert to fraction form
    27,850.23/38,404.02 = 21,060.20/x
  3. Step 3: Cross multiply
    27,850.23x = 38,404.02 × 21,060.20
  4. Step 4: Simplify right side
    27,850.23x = 808,796,516.99
  5. Step 5: Solve for x
    x = 808,796,516.99/27,850.23
  6. Step 6: Final answer
    x = 29,040.93

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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.