Home / 38,143.06-57,222.84-15,653.80

Finding the Fourth Proportional to 38,143.06, 57,222.84 and 15,653.80

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Solution

The fourth proportional to 38,143.06, 57,222.84 and 15,653.80 is: 23,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.06 : 57,222.84 = 15,653.80 : x
  2. Step 2: Convert to fraction form
    38,143.06/57,222.84 = 15,653.80/x
  3. Step 3: Cross multiply
    38,143.06x = 57,222.84 × 15,653.80
  4. Step 4: Simplify right side
    38,143.06x = 895,754,892.79
  5. Step 5: Solve for x
    x = 895,754,892.79/38,143.06
  6. Step 6: Final answer
    x = 23,484.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.