Home / 28,158.03-38,857.46-15,410.93

Finding the Fourth Proportional to 28,158.03, 38,857.46 and 15,410.93

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Solution

The fourth proportional to 28,158.03, 38,857.46 and 15,410.93 is: 21,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.03 : 38,857.46 = 15,410.93 : x
  2. Step 2: Convert to fraction form
    28,158.03/38,857.46 = 15,410.93/x
  3. Step 3: Cross multiply
    28,158.03x = 38,857.46 × 15,410.93
  4. Step 4: Simplify right side
    28,158.03x = 598,829,324.70
  5. Step 5: Solve for x
    x = 598,829,324.70/28,158.03
  6. Step 6: Final answer
    x = 21,266.73

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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.