Home / 27,010.24-37,278.36-15,679.76

Finding the Fourth Proportional to 27,010.24, 37,278.36 and 15,679.76

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Solution

The fourth proportional to 27,010.24, 37,278.36 and 15,679.76 is: 21,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.24 : 37,278.36 = 15,679.76 : x
  2. Step 2: Convert to fraction form
    27,010.24/37,278.36 = 15,679.76/x
  3. Step 3: Cross multiply
    27,010.24x = 37,278.36 × 15,679.76
  4. Step 4: Simplify right side
    27,010.24x = 584,515,737.99
  5. Step 5: Solve for x
    x = 584,515,737.99/27,010.24
  6. Step 6: Final answer
    x = 21,640.52

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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.