Home / 20,079.63-30,088.94-15,902.19

Finding the Fourth Proportional to 20,079.63, 30,088.94 and 15,902.19

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Solution

The fourth proportional to 20,079.63, 30,088.94 and 15,902.19 is: 23,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.63 : 30,088.94 = 15,902.19 : x
  2. Step 2: Convert to fraction form
    20,079.63/30,088.94 = 15,902.19/x
  3. Step 3: Cross multiply
    20,079.63x = 30,088.94 × 15,902.19
  4. Step 4: Simplify right side
    20,079.63x = 478,479,961.27
  5. Step 5: Solve for x
    x = 478,479,961.27/20,079.63
  6. Step 6: Final answer
    x = 23,829.12

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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.