Home / 38,315.56-57,404.22-21,865

Finding the Fourth Proportional to 38,315.56, 57,404.22 and 21,865

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Solution

The fourth proportional to 38,315.56, 57,404.22 and 21,865 is: 32,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.56 : 57,404.22 = 21,865 : x
  2. Step 2: Convert to fraction form
    38,315.56/57,404.22 = 21,865/x
  3. Step 3: Cross multiply
    38,315.56x = 57,404.22 × 21,865
  4. Step 4: Simplify right side
    38,315.56x = 1,255,143,270.30
  5. Step 5: Solve for x
    x = 1,255,143,270.30/38,315.56
  6. Step 6: Final answer
    x = 32,758.06

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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.