Home / 28,149.18-38,850.60-18,079.93

Finding the Fourth Proportional to 28,149.18, 38,850.60 and 18,079.93

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Solution

The fourth proportional to 28,149.18, 38,850.60 and 18,079.93 is: 24,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.18 : 38,850.60 = 18,079.93 : x
  2. Step 2: Convert to fraction form
    28,149.18/38,850.60 = 18,079.93/x
  3. Step 3: Cross multiply
    28,149.18x = 38,850.60 × 18,079.93
  4. Step 4: Simplify right side
    28,149.18x = 702,416,128.46
  5. Step 5: Solve for x
    x = 702,416,128.46/28,149.18
  6. Step 6: Final answer
    x = 24,953.34

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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.