Home / 27,370.23-41,055.35-21,139.34

Finding the Fourth Proportional to 27,370.23, 41,055.35 and 21,139.34

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Solution

The fourth proportional to 27,370.23, 41,055.35 and 21,139.34 is: 31,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,370.23 : 41,055.35 = 21,139.34 : x
  2. Step 2: Convert to fraction form
    27,370.23/41,055.35 = 21,139.34/x
  3. Step 3: Cross multiply
    27,370.23x = 41,055.35 × 21,139.34
  4. Step 4: Simplify right side
    27,370.23x = 867,882,691.50
  5. Step 5: Solve for x
    x = 867,882,691.50/27,370.23
  6. Step 6: Final answer
    x = 31,709.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.