Home / 27,912.87-38,510.24-17,298.63

Finding the Fourth Proportional to 27,912.87, 38,510.24 and 17,298.63

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Solution

The fourth proportional to 27,912.87, 38,510.24 and 17,298.63 is: 23,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.87 : 38,510.24 = 17,298.63 : x
  2. Step 2: Convert to fraction form
    27,912.87/38,510.24 = 17,298.63/x
  3. Step 3: Cross multiply
    27,912.87x = 38,510.24 × 17,298.63
  4. Step 4: Simplify right side
    27,912.87x = 666,174,306.48
  5. Step 5: Solve for x
    x = 666,174,306.48/27,912.87
  6. Step 6: Final answer
    x = 23,866.21

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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.