Home / 28,902.83-43,356.47-11,142.23

Finding the Fourth Proportional to 28,902.83, 43,356.47 and 11,142.23

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Solution

The fourth proportional to 28,902.83, 43,356.47 and 11,142.23 is: 16,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.83 : 43,356.47 = 11,142.23 : x
  2. Step 2: Convert to fraction form
    28,902.83/43,356.47 = 11,142.23/x
  3. Step 3: Cross multiply
    28,902.83x = 43,356.47 × 11,142.23
  4. Step 4: Simplify right side
    28,902.83x = 483,087,488.23
  5. Step 5: Solve for x
    x = 483,087,488.23/28,902.83
  6. Step 6: Final answer
    x = 16,714.20

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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.