Home / 20,079.14-30,118.53-15,700.28

Finding the Fourth Proportional to 20,079.14, 30,118.53 and 15,700.28

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Solution

The fourth proportional to 20,079.14, 30,118.53 and 15,700.28 is: 23,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.14 : 30,118.53 = 15,700.28 : x
  2. Step 2: Convert to fraction form
    20,079.14/30,118.53 = 15,700.28/x
  3. Step 3: Cross multiply
    20,079.14x = 30,118.53 × 15,700.28
  4. Step 4: Simplify right side
    20,079.14x = 472,869,354.19
  5. Step 5: Solve for x
    x = 472,869,354.19/20,079.14
  6. Step 6: Final answer
    x = 23,550.28

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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.