Home / 27,746.18-38,278.94-17,672.82

Finding the Fourth Proportional to 27,746.18, 38,278.94 and 17,672.82

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Solution

The fourth proportional to 27,746.18, 38,278.94 and 17,672.82 is: 24,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.18 : 38,278.94 = 17,672.82 : x
  2. Step 2: Convert to fraction form
    27,746.18/38,278.94 = 17,672.82/x
  3. Step 3: Cross multiply
    27,746.18x = 38,278.94 × 17,672.82
  4. Step 4: Simplify right side
    27,746.18x = 676,496,816.41
  5. Step 5: Solve for x
    x = 676,496,816.41/27,746.18
  6. Step 6: Final answer
    x = 24,381.62

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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.