Home / 27,955.16-38,570.47-19,447.73

Finding the Fourth Proportional to 27,955.16, 38,570.47 and 19,447.73

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Solution

The fourth proportional to 27,955.16, 38,570.47 and 19,447.73 is: 26,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.16 : 38,570.47 = 19,447.73 : x
  2. Step 2: Convert to fraction form
    27,955.16/38,570.47 = 19,447.73/x
  3. Step 3: Cross multiply
    27,955.16x = 38,570.47 × 19,447.73
  4. Step 4: Simplify right side
    27,955.16x = 750,108,086.53
  5. Step 5: Solve for x
    x = 750,108,086.53/27,955.16
  6. Step 6: Final answer
    x = 26,832.54

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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.