Home / 27,803.13-38,368.31-15,227.97

Finding the Fourth Proportional to 27,803.13, 38,368.31 and 15,227.97

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Solution

The fourth proportional to 27,803.13, 38,368.31 and 15,227.97 is: 21,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.13 : 38,368.31 = 15,227.97 : x
  2. Step 2: Convert to fraction form
    27,803.13/38,368.31 = 15,227.97/x
  3. Step 3: Cross multiply
    27,803.13x = 38,368.31 × 15,227.97
  4. Step 4: Simplify right side
    27,803.13x = 584,271,473.63
  5. Step 5: Solve for x
    x = 584,271,473.63/27,803.13
  6. Step 6: Final answer
    x = 21,014.59

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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.