Home / 28,874.48-43,308.88-19,574.24

Finding the Fourth Proportional to 28,874.48, 43,308.88 and 19,574.24

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Solution

The fourth proportional to 28,874.48, 43,308.88 and 19,574.24 is: 29,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.48 : 43,308.88 = 19,574.24 : x
  2. Step 2: Convert to fraction form
    28,874.48/43,308.88 = 19,574.24/x
  3. Step 3: Cross multiply
    28,874.48x = 43,308.88 × 19,574.24
  4. Step 4: Simplify right side
    28,874.48x = 847,738,145.77
  5. Step 5: Solve for x
    x = 847,738,145.77/28,874.48
  6. Step 6: Final answer
    x = 29,359.43

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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.