Home / 27,809.19-38,377.67-15,233.94

Finding the Fourth Proportional to 27,809.19, 38,377.67 and 15,233.94

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Solution

The fourth proportional to 27,809.19, 38,377.67 and 15,233.94 is: 21,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.19 : 38,377.67 = 15,233.94 : x
  2. Step 2: Convert to fraction form
    27,809.19/38,377.67 = 15,233.94/x
  3. Step 3: Cross multiply
    27,809.19x = 38,377.67 × 15,233.94
  4. Step 4: Simplify right side
    27,809.19x = 584,643,045.95
  5. Step 5: Solve for x
    x = 584,643,045.95/27,809.19
  6. Step 6: Final answer
    x = 21,023.38

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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.