Home / 27,750.95-38,285.51-17,677.56

Finding the Fourth Proportional to 27,750.95, 38,285.51 and 17,677.56

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Solution

The fourth proportional to 27,750.95, 38,285.51 and 17,677.56 is: 24,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.95 : 38,285.51 = 17,677.56 : x
  2. Step 2: Convert to fraction form
    27,750.95/38,285.51 = 17,677.56/x
  3. Step 3: Cross multiply
    27,750.95x = 38,285.51 × 17,677.56
  4. Step 4: Simplify right side
    27,750.95x = 676,794,311.77
  5. Step 5: Solve for x
    x = 676,794,311.77/27,750.95
  6. Step 6: Final answer
    x = 24,388.15

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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.